Highlights of Condensed Matter Physics (DCMP) Talks @ APS 2024 March Meeting – Part 1
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TABLE 1: Highlights of Condensed Matter Physics (DCMP) Talks @ APS 2024 March Meeting – Part 1
| Paper | Author(s) | |
|---|---|---|
| 1 | Loss of Quasiparticles and SDWr Quantum Criticality in Heavy Fermion Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work [3], we realize a continuous tuning from the conventional spin-density-wave (SDW) type quantum critical state to the Kondo destruction type of quantum critical state where the quasiparticle is completely lost. |
Lei Chen ; Ang Cai ; Yiming Wang ; Haoyu Hu ; Qimiao Si; |
| 2 | Non-Fermi Liquid Behavior at Flat Hot Spots at The Onset of Density Wave Order Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze quantum fluctuation effects at the onset of charge or spin density wave order with a 2k F wave vector Q in two-dimensional metals – for the special case where Q connects a pair of hot spots situated at high symmetry points of the Fermi surface with a vanishing Fermi surface curvature. |
Lukas Debbeler ; Walter Metzner; |
| 3 | Eliashberg Theory of Quantum Criticality – When It Is Valid and When It Fails Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider a set of models of itinerant 2D fermionis interacting with a soft boson that becomes gapless at a quantum-critical point (QCP) . |
Andrey Chubukov; |
| 4 | Perturbative Non-Fermi Liquids from Bosonization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report progress on the calculation of beta functions of various couplings and anomalous dimensions of operators at the fixed point. |
Umang Mehta ; Dam Son ; Luca Delacretaz ; Yi-Hsien Du; |
| 5 | Bosonization of Non-Fermi Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our method involves parameterizing the generalized fermionic distribution function through a bosonic field that describes frequency-dependent local variations of the chemical potential in momentum space. We propose an effective action that produces the collisionless quantum Boltzmann equation as its equation of motion and can straightforwardly be used for any dimension and Fermi surface of interest. |
SangEun Han ; Félix Desrochers ; Yong Baek Kim; |
| 6 | The Orbital Magnetic Field Effect on The Electronic Density of States of A U(1) Quantum Spin Liquid with Spinon Fermi Surface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present that how the orbital magnetic field affects the electronic density of states of a quantum spin liquid with spinon Fermi surface. |
Wenyu He ; Patrick Lee; |
| 7 | The Two Body Density Matrix of A Luttinger Liquid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we outline the derivation of the exact $2$-RDM from bosonization and map to the $J$-$V$ model of interacting, spinless fermions in one dimension, where the low-energy sector is describable by Luttinger liquid theory. |
Harini Radhakrishnan ; Matthias Thamm ; Hatem Barghathi ; Bernd Rosenow ; Adrian Del Maestro; |
| 8 | Superconductivity Arising from An Incoherent Metal in A Two-dimensional Yukawa Sachdev-Ye-Kitaev Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study includes the numerical solutions of the saddle point equations and the corresponding Large- N phase diagram. |
Chenyuan Li ; Davide Valentinis ; Haoyu Guo ; Subir Sachdev ; Joerg Schmalian ; Aavishkar Patel ; Ilya Esterlis; |
| 9 | Nematic Order in Topological SYK Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Motivated by ongoing experiments on diverse quantum materials, we study a class of multi-orbital Sachdev-Ye-Kitaev (SYK) models on the lattice which exhibit non-Fermi liquid physics at high temperature and develop spontaneous nematic order at low temperature. |
Andrew Hardy ; Anjishnu Bose ; Yuzheng Xie ; Arun Paramekanti; |
| 10 | Disordered Quantum Critical Fixed Points from Holography Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using holographic duality, we present an analytically controlled theory of quantum critical points without quasiparticles, at finite disorder and finite charge density. |
Xiaoyang Huang ; Subir Sachdev ; Andrew Lucas; |
| 11 | Dynamic Correlations of Quasi-Fermi Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present numerical calculations of the dynamic correlations characterizing a one-dimensional model that realizes quasi-Fermi liquid behavior. |
Joshua Baktay ; Adrian Feiguin ; Julian Rincon; |
| 12 | Strange Metal to Insulator Transitions in The Lowest Landau Level Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the microscopic model of electrons in the partially-filled lowest Landau level interacting via the Coulomb potential by the diagrammatic theory within the GW approximation. |
Ben Currie ; Evgeny Kozik; |
| 13 | Universal Aspects of The Interacting 3d Electron Gas in A Strong Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The in-plane wavefunctions resemble those of the lowest Landau level, while the additional dimension introduces a quasi-one-dimensional dispersion along the magnetic field direction. Using Fermi surface renormalization group techniques, we revisit various instabilities of this state, focusing on the competition between charge density wave (CDW) and superconducting (BCS) instabilities. |
Nandagopal Manoj ; Valerio Peri ; Jason Alicea; |
| 14 | Theory of A Strange Metal in The Doped Hubbard Model Via Percolation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the two-dimensional hole-doped Hubbard model employing a basis that highlights a percolation transition in the low-energy sector at critical hole doping p c ~ 0.19. |
Andrew Allocca; |
| 15 | Deconfined Fermi Liquid to Fermi Liquid Transition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose the possibility of a deconfined quantum phase transition between two symmetric Fermi liquids with a jump of Fermi surface volume by 1/2 of the Brillouin Zone per flavor. |
Yahui Zhang ; Hui Yang ; Xiaofan Wu; |
| 16 | Excess Heat Capacity in Ce-based Heavy Fermion Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Surprisingly, we find that after combining the expected magnon, phonon, and (renormalized) electron contributions that a substantial contribution to the heat capacity remains in the T → 0 limit. |
Filip Ronning ; Allen Scheie ; Yu Lu ; Shannon Fender ; Priscila Rosa ; Eric Bauer ; Jian-Xin Zhu; |
| 17 | Quantum Entanglement Characterization of Kondo-destruction Quantum Critical Points Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider Kondo destruction QCP of both the Bose-Fermi Kondo model and the Kondo lattice, and calculate entanglement entropy and mutual information to characterize the competition of the RKKY, Kondo interactions across the QCP and the dynamical Kondo effect. |
Mounica Mahankali ; Yuan Fang ; Lei Chen ; Yiming Wang ; Haoyu Hu ; Qimiao Si; |
| 18 | Multipartite Entanglement and Quantum Criticality in Kondo Lattice Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here [3], we show that the quantum Fisher information (QFI), representing a witness for the multipartite entanglement, is an ideal tool for this purpose. |
Lei Chen ; Yuan Fang ; Yiming Wang ; Mounica Mahankali ; Qimiao Si; |
| 19 | Stripe Charge Density Wave in A Van Der Waals Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This CDW manifests as significant anisotropic transport behavior over a wide range of temperatures, suggesting potential future device applications. Our study establishes this new U-based telluride as a promising platform for investigating the interplay between electron correlation, stripe charge order, and magnetism. |
Mengke Liu ; Yu Liu ; Sougata Mardanya ; Thao Dinh ; Junyeong Ahn ; Christopher Broyles ; Gadeer Alqasseri ; Austin Akey ; Jonanthan Denlinger ; Ashvin Vishwanath ; Philip Kim ; Suyang Xu ; Sugata Chowdhury ; Sheng Ran ; Jenny Hoffman; |
| 20 | Strange Metallicity and Planckian Dissipation Due to A Heavy Fermion Quantum Critical Point Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a cellular dynamical mean-field theory (CDMFT) plus Numerical Renormalization Group approach to study quantum criticality in the periodic Anderson model (PAM). |
Andreas Gleis ; Seung-Sup B. Lee ; Gabriel Kotliar ; Jan von Delft; |
| 21 | The Scaled-invariant Planckian Metal and Quantum Criticality in Ce1−xNdxCoIn5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present clear experimental evidences of Kondo hybridization being quantum critical at x c. |
Yung-Yeh Chang ; Hechang Lei ; Cedomir Petrovic ; Chung-Hou Chung; |
| 22 | Critical Spin and Charge Fluctuations at Kondo-destruction Quantum Critical Points Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Motivated by experimental evidence for heavy-fermion quantum criticality in metals with inherent particle-hole ( ph) asymmetry, we investigate critical spin and charge responses in a Bose-Fermi Anderson impurity model away from the limit of integer impurity valence. |
Ananth Kandala ; Qimiao Si ; Kevin Ingersent; |
| 23 | Metallic Lifshitz Criticality in Frustrated Kondo-lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study Kondo lattices with competing exchange-interactions among local moments, which frustrate their tendency towards magnetic orderings and drives quantum phase transitions between distinct magnetically ordered phases. |
Shouvik Sur ; Shoushu Gong ; Yiming Wang ; Qimiao Si; |
| 24 | Emergence of Ferromagnetism at The Onset of Moiré Kondo Breakdown Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe a density-tuned Kondo destruction in AB-stacked MoTe 2/WSe 2 moiré bilayers by combining magneto transport and optical studies. |
Wenjin Zhao ; Bowen Shen ; Zui Tao ; Sunghoon Kim ; Patrick Knüppel ; Zhongdong Han ; Yichi Zhang ; Kenji Watanabe ; Takashi Taniguchi ; Debanjan Chowdhury ; Jie Shan ; Kin Fai Mak; |
| 25 | Avoidance of Ferromagnetic Quantum Criticality in Kondo Lattice CePd3S4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This material is notable for its FM transition temperature, which is much higher than the value expected from the de Gennes scaling of the heavier RPd 3S 4 compounds. This work presents a comprehensive study of the electrical transport and magnetic properties of CePd 3S 4 under high pressure to better understand the exotic quantum phenomena that may be exhibited by this material. |
Shuyuan Huyan ; Raquel Ribeiro ; Tyler Slade ; Rebecca Flint ; Sergey Bud’ko ; Paul Canfield; |
| 26 | Heavy Quasiparticles, Fermi Surfaces and Unusual Orders in CeRh2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The heavy-fermion compound CeRh2As2 exhibits a complex phase diagram with rather unusual states at low temperatures. A prominent example is multi-phase superconductivity [1] which … |
Gertrud Zwicknagl ; Evrard-Ouicem Eljaouhari; |
| 27 | Magnetic Susceptibility in A J=3/2 Kondo Model with A Tetragonal Crystal Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In addition, the analytical scaling behavior of Kondo couplings in realistic materials with crystal field splittings is not well understood. To address these problems, we study a J=3/2 Kondo impurity model with a tetragonal crystal field; perform a renormalization group procedure to obtain the scaling equations for the coupling constants; and examine the impact of scaling on the magnetic susceptibility at high temperatures. |
Joseph Eix; |
| 28 | A Critical Phase Induced By Berry Phase and Dissipation in A Spin-chain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For a range of the exponent that characterizes the dissipative bath, we find a stable, gapless, non-relativistic phase of matter whose existence necessarily requires coupling to the dissipative bath. Upon tuning the exponent, we find that the fixed-point corresponding to this gapless, stable phase ‘annihilates’ a fixed point that describes the transition out of this phase to a dissipation-induced ordered phase. |
Simon Martin ; Tarun Grover; |
| 29 | Study on Magnetic Hard-direction Ordering in Anisotropic Kondo Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a generic mechanism that explains why many Kondo materials show magnetic ordering along directions that are not favored by the crystal-field anisotropy. |
Huanzhi Hu ; Michal Kwasigroch ; Frank Kruger ; Andrew Green; |
| 30 | Resolve The Magnetic Field-induced Lifshitz Transition and Quantum Oscillations in Kondo Insulators YbB12 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present our attempts to resolve the possible field-induced Lifshitz transition at (μ 0H =19.6 T and μ 0H = 31 T) and quantum oscillations via heat capacity and thermoelectric measurements in high magnetic field up to 41T, which supports a novel two-fluid scenario in YbB12. |
Kuan-Wen Chen ; Yuan Zhu ; Danilo Ratkovski ; Guoxin Zheng ; Dechen Zhang ; Aaron Chan ; Kaila Jenkins ; Alimany Bangura ; John Singleton ; Lu Li; |
| 31 | Resonant Tunneling Detection of Atomic Reconstruction in Twisted Bilayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we perform resonant tunneling measurements and transmission electron microscopy (TEM) observations for tBL-WSe 2 samples with various twist angles θ BL from 0° to 34°, and reveal the connection between atomic reconstruction and the resulting Γ-point band energy landscape. |
Kei Kinoshita ; Rai Moriya ; Momoko Onodera ; Shota Okazaki ; Yung-Chang Lin ; Yijin Zhang ; Satoru Masubuchi ; Kenji Watanabe ; Takashi Taniguchi ; Ryosuke Senga ; Kazu Suenaga ; Takao Sasagawa ; Tomoki Machida; |
| 32 | Electric Field Tunable Correlated Insulating States in AB Stacked Twisted MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the AB stacked homobilayer using combined transport and optical measurements. |
Weijie Li ; Heonjoon Park ; Takashi Taniguchi ; Kenji Watanabe ; Wang Yao ; Xiaodong Xu; |
| 33 | Oral: Evidence for Excitonic Mott Insulator in WS2/WSe2 Moiré Superlattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study demonstrates the potential of WS 2/WSe 2 interlayer for the study of correlated states of fermion, bosons, and a mixture of both. |
Yuze Meng ; Zhen Lian ; Lei Ma ; Indrajit Maity ; Li Yan ; Qiran Wu ; Xiong Huang ; Dongxue Chen ; Xiaotong Chen ; Xinyue Chen ; Mark Blei ; Takashi Taniguchi ; Kenji Watanabe ; Sefaattin Tongay ; Johannes Lischner ; Yongtao Cui ; Sufei Shi; |
| 34 | Electric Field-driven Topological Phase Transitions in Twisted MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This remarkable effect has recently been realized in twisted MoTe 2 bilayer in rhombohedral stacking. In this talk, we will report our study of electrically tunable topological phase transitions in this new system. |
Heonjoon Park ; Jiaqi Cai ; Eric Anderson ; Yinong Zhang ; Jiayi Zhu ; Xiaoyu Liu ; Chong Wang ; William Holtzmann ; Chaowei Hu ; Zhaoyu Liu ; Takashi Taniguchi ; Kenji Watanabe ; Jiun-Haw Chu ; Ting Cao ; Liang Fu ; Wang Yao ; Cui-Zu Chang ; David Cobden ; Di Xiao ; Xiaodong Xu; |
| 35 | Layer-hybridized Correlated Insulating States in A WS2/WSe2 Moiré Superlattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The introduction of layer degree of freedom to the moiré superlattice presents a new method to tune the electronic correlation, exemplified by phenomena like the excitonic insulator in monolayer WS 2/bilayer WSe 2. |
Qiran Wu ; Dongxue Chen ; Zhen Lian ; Xiong Huang ; Yuze Meng ; Li Yan ; Takashi Taniguchi ; Kenji Watanabe ; Sufei Shi ; Yongtao Cui; |
| 36 | Moiré Ferroelectricity Engineered Plasmonic Excitations and Nano-photocurrent in Graphene/twisted-WSe2 Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, we find that the ferroelectric polarization in moiré domains is imprinted on the plasmonic response of the graphene. |
Shuai Zhang ; Yang Liu ; James Hone ; Michael Fogler ; Zhiyuan Sun ; Xinzhong Chen ; Xiaodong Xu ; David Cobden ; Mengkun Liu ; James Schuck ; Xiaoyang Zhu ; Baichang Li ; Cory Dean ; Dmitri Basov; |
| 37 | Moiré Zeeman Effect in Twisted WSe2/WS2 Heterobilayer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we present our findings on the moiré Zeeman effect, which originates from local magnetic moments within well-aligned WSe 2/WS 2 heterobilayers. |
Jiayi Zhu ; Huiyuan Zheng ; Xi Wang ; Heonjoon Park ; Yinong Zhang ; Takashi Taniguchi ; Kenji Watanabe ; Wang Yao ; Xiaodong Xu; |
| 38 | Pressure-tuning of Minibands in MoS2/WSe2 Heterostructures Revealed By Moiré Phonons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our recent work [1] where we used high pressure to tune the minibands in a rotationally-aligned MoS 2/WSe 2 moiré heterostructure, and showed that their evolution can be probed via moiré phonons. |
Luiz Gustavo Pimenta Martins ; David Ruiz-Tijerina ; Connor Occhialini ; Ji-Hoon Park ; Qian Song ; Ang-Yu Lu ; Pedro Venezuela ; Luiz Gustavo Cançado ; Mário Sérgio Mazzoni ; Matheus J.S. Matos ; Jing Kong ; Riccardo Comin; |
| 39 | Fractional Quantum Anomalous Hall Effect in Multilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will report the observation of integer and fractional QAH effects in a rhombohedral pentalayer graphene/hBN moiré superlattice. |
Zhengguang Lu ; Tonghang Han ; Yuxuan Yao ; Aidan Reddy ; Jixiang Yang ; Junseok Seo ; Kenji Watanabe ; Takashi Taniguchi ; Liang Fu ; Long Ju; |
| 40 | Field-control of Symmetry-broken and Quantum Disordered Phases in Frustrated Moiré Bilayers with Population Imbalance Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We determine the ground states and excitation spectra of the paradigmatic four-flavour Heisenberg model with nearest- and next-nearest-neighbor exchange couplings on the triangular lattice in a field controlling the population imbalance of flavor pairs. |
Lorenzo Del Re ; Laura Classen; |
| 41 | Anomalous Localized Topological Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show how to classify localized topological phases using QCA beyond the context of periodic driving, including static and (quasi)periodically driven systems, with or without symmetry. |
David Long ; Ryohei Kobayashi ; Dominic Else; |
| 42 | 2D Topological Chiral Edge-States in A Synthetic Dimension of Atomic Trap States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To first test this platform, a recent experiment demonstrated 1D Bloch oscillations along the synthetic dimension. We now theoretically propose how to realise a 2D quantum Hall system in this set-up by combining the synthetic dimension with a real spatial dimension and an artificial magnetic field. |
David Reid ; Chris Oliver ; Aaron Smith ; Thomas Easton ; Vera Guarrera ; Grazia Salerno ; Nathan Goldman ; Giovanni Barontini ; Hannah Price; |
| 43 | Light-driven High-order Topological Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose the use of an intense bicircular light (BCL) field to tune the bulk bands of a topological insulator. |
Thais Victa Trevisan ; Noelle Blose ; Wang-Kong Tse ; Mahmoud Asmar; |
| 44 | Nonadiabatic Dynamics of A Parametrically Modulated Spin Chain in A Topologically Nontrivial Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the dynamics of a resonantly modulated spin chain in a strong magnetic field. |
Mahmoud Elewa ; Mark Dykman; |
| 45 | Photo-induced Multiply Quantized Vortex States in Dirac-like Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a complete description of the photon-dressed electronic vortex states that emerge from the irradiated system in terms of the angular momentum-dependent dispersion relation, vorticity, and real-space extension. |
Lauren Massaro ; Connor Meese ; Nancy Sandler ; Mahmoud Asmar; |
| 46 | Characterizing Exceptional Topology Through Tropical Geometry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce Newton’s polygon method and adopt the notion of a geometrical object known as amoeba in developing a unified tropical geometric framework to characterize different facets of NH systems [6]. |
Ayan Banerjee ; Rimika Jaiswal ; Madhusudan Manjunath ; Awadhesh Narayan; |
| 47 | Schwinger Effect in A Symmetry Protected Topological Phase Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The Schwinger effect, classically understood as the particle-antiparticle pair creation in electric fields, has a many-body analog in Mott insulators where doublon-hole pairs lead to dielectric breakdown [1,2]. In this talk, we extend this concept to systems in the symmetry protected topological (SPT) phase. |
Koichi Okazaki ; Shun Okumura ; Shintaro Takayoshi ; Takashi Oka; |
| 48 | Entropy Driven Inductive Response of Topological Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: 3D topological insulators (3DTIs) are characterized by an insulating bulk and extended surface states exhibiting a helical spin texture. In this work, we investigate the hyperfine interaction between the spin-charge coupled transport of electrons and the nuclear spins in these surface states. |
Inanc Adagideli ; A. Mert Bozkurt ; Sofie Kölling ; Alexander Brinkman; |
| 49 | Nonperturbative Nonlinear Transport in A Topological Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work may provide deeper understanding toward programming technologically relevant responses in quantum materials with light. |
Kateryna Kusyak ; Matthew Day ; Felix Sturm ; Dongbin Shin ; Benedikt Schulte ; Hope Bretscher ; Dorothee Herrmann ; Xinyu Li ; Sivasruthi Kesavan ; Jesse Hagelstein ; Jonathan DeStefano ; Sara Langner ; Yunfei Huang ; Takashi Taniguchi ; Kenji Watanabe ; Toru Matsuyama ; Guido Meier ; Jiun-Haw Chu ; Angel Rubio ; Dante Kennes ; Michael Sentef ; James McIver; |
| 50 | Driving A Topological Insulator Using A Gaussian Pulse Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, in a real experiment that relies on pump-probe techniques to study materials, the external perturbation is never perfectly periodic and has a pulse shape/envelope function. Using actual time-evolved states, we calculate the optical conductivity in presence of such a drive and compare it to the response calculated using Floquet theory. |
Ranjani Seshadri ; Tami Pereg-Barnea; |
| 51 | Prethermal Higher-order Topological Time Crystals Protected By Emergent Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce a prethermal higher-order topological time crystal in a two-dimensional many-body interacting spin system. |
Si Jiang; |
| 52 | Floquet Topological Superconductivity Induced By Chiral Many-body Interaction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The gap function is not directly coupled to the electromagnetic field, making it difficult to modulate the pairing symmetry and induce topological phase transitions. In this study, we find that this difficulty can be overcome by taking into account correlation effects. |
Sota Kitamura ; Hideo Aoki; |
| 53 | Revealing The Hidden Dirac Gap in A Topological Antiferromagnet Using Floquet-Bloch Manipulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explain our findings in terms of a Dirac fermion with a random mass. |
Nina Bielinski ; Rajas Chari ; Julian May-Mann ; Soyeun Kim ; Jack Zwettler ; Yujun Deng ; Anuva Aishwarya ; Subhajit Roychowdhury ; Chandra Shekhar ; Makoto Hashimoto ; Donghui Lu ; Jiaqiang Yan ; Claudia Felser ; Vidya Madhavan ; Zhi-Xun Shen ; Taylor Hughes ; Fahad Mahmood; |
| 54 | Achieving Quantized Transport in Floquet Topological Insulators Via Energy Filters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a "Floquet distribution function” and show both analytically and numerically that it approaches the equilibrium Fermi-Dirac form when narrow-band filters are introduced, highlighting the mechanism that restores quantized transport. |
Ruoyu Zhang ; Frederik Nathan ; Netanel Lindner ; Mark Rudner; |
| 55 | Many-body Localization Transition in Coupled Incommensurate Heisenberg Chains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report a quantum many-body localization (MBL) transition in a ladder formed by two coupled incommensurate spin chains with spin 1/2. |
K.G.S.H. Gunawardana ; Bruno Uchoa; |
| 56 | Decay Rate of The Generalized Survival Probability As A Signature of Localization Transitions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by the generalized entropies, we introduce a generalized version of the survival probability. |
David Zarate-Herrada ; Lea Santos ; E. Jonathan Torres-Herrera; |
| 57 | Many-body Scars in Multiband Majorana Fermion Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The scar spectrum can be made ergodic by adding a non-local interaction term. Because the number of scars grows exponentially with M, they make a sizable contribution to the density of states for small N. |
Kiryl Pakrouski ; Zimo Sun ; Fedor Popov ; Igor Klebanov; |
| 58 | Periodically and Quasiperiodically Driven-anisotropic Dicke Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze the anisotropic Dicke model in the presence of a periodic drive and under a quasiperiodic drive. |
Pragna Das ; DEVENDRA BHAKUNI ; Lea Santos ; Auditya Sharma; |
| 59 | Thermodynamics and Fractal Drude Weights in The Sine-Gordon Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The sine-Gordon model is a paradigmatic quantum field theory that provides the low-energy effective description of many gapped 1D systems. |
Botond Nagy ; Márton Kormos ; Gábor Takács; |
| 60 | Symmetries As Ground States of Local Superoperators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Symmetry algebras of quantum many-body systems with locality can be understood using commutant algebras, which are defined as algebras of operators that commute with a given set of local operators. In this work, we show that these symmetry algebras can be expressed as frustration-free ground states of a local superoperator, which we refer to as a "super-Hamiltonian". |
Sanjay Moudgalya ; Olexei Motrunich; |
| 61 | Measurement-induced Criticality in Quasiperiodic Modulated Random Hybrid Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the stability of the MIPT in one dimension to quenched quasiperiodic (QP) modulations as captured in the context of equilibrium statistical mechanics by the Luck bound ν≥1/(1−β), for the correlation length exponent ν. |
Gal Shkolnik ; Aidan Zabalo ; Romain Vasseur ; David Huse ; Jed Pixley ; Snir Gazit; |
| 62 | Engineering and Understanding of Cayley (and Hyperbolic) Crystals with Prescribed Nonabelian Dynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will show how to identify the "nonabelian skeleton" of a crystal and, conversely, how to build Cayley crystals starting from a given scalable structure. |
Marco Marciani; |
| 63 | Noise Measurements in Thin-film Strange Metal Sr3Ru2O7 Nanowires Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Sr 3Ru 2O 7 (SRO327) is a material with a strange metal phase extending from a magnetic quantum critical point at H c~7.8T. Noise measurements of SRO327 nanowires will allow … |
Dale Lowder ; Douglas Natelson ; Liyang Chen ; Jihwan Jeong ; Jinkwon Kim ; Tae Won Noh; |
| 64 | Shot Noise in Correlated Electron Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study [2], we focuses on the analysis of quantum shot noise within a correlated diffusive metal, achieved by formulating a Boltzmann transport equation optimized for correlated regimes. |
Yiming Wang ; Chandan Setty ; Shouvik Sur ; Liyang Chen ; Silke Paschen ; Douglas Natelson ; Qimiao Si; |
| 65 | Theory of Shot Noise in Strange Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We extend the theory of shot noise in coherent metals to shot noise in strange metals without quasiparticle excitations. |
Alexander Nikolaenko ; Subir Sachdev ; Aavishkar Patel; |
| 66 | Low Energy Charge Fluctuations in A Strange Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, using improved resolution, we report the new, finite- q measurements of the charge susceptibility on Bi-2212 at low energy, where ω ~ kBT. |
Xuefei Guo ; Jin Chen ; Farzaneh Hoveyda ; Simon Bettler ; Dipanjan Chaudhuri ; Caitlin Kengle ; John Schneeloch ; Ruidan Zhong ; Genda Gu ; Philip Phillips ; Tai-Chang Chiang ; Peter Abbamonte; |
| 67 | Bound on Thermalization from Hydrodynamic Fluctuations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will propose a sharp and universal definition of local equilibration time in local many-body systems as the time scale of emergence of diffusion. |
Luca Delacretaz; |
| 68 | Strong Disorder Effects in The Theory of Strange Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We examine the spectrum of the scalar propagator in each random realization, assuming Landau-damping from the fermions, a spatially random mass, and a continuous flavor symmetry. |
Subir Sachdev ; Aavishkar Patel; |
| 69 | Genesis of Pseudogaps from Electron-lattice Resonances Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe lattice vibrations within the coherent state formalism, akin to Glauber states in quantum optics, which naturally suggests radically different approximations compared to Fock states, and leads to a non-perturbative treatment of the charge carriers in a dynamical deformation potential field. |
Anton Graf ; Joonas Keski-Rahkonen ; Alhun Aydin ; Eric Heller; |
| 70 | Entropy and De Haas-van Alphen Oscillations of A Three-dimensional Marginal Fermi Liquid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study quantum oscillations (de Haas-van Alphen effect) in a three-dimensional metal tuned to a quantum critical point. |
Pavel Nosov ; Yi-Ming Wu ; Srinivas Raghu; |
| 71 | Non-linear Responses of Strange Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, a model of a quantum critical metal with spatially random couplings [reference Guo, Patel, Esterlis, Sachdev] has been shown to capture the linear in T resistivity down to zero temperature – one of the universal experimental signatures of strange metals. In our work we explore the non-linear transport properties of such a model of strange metal. |
Serhii Kryhin ; Pavel Volkov ; Subir Sachdev; |
| 72 | Non-linear Edge Dynamics of The Laughlin State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will explore the non-linear edge dynamics of the Laughlin states. |
Gustavo Machado Monteiro ; Sriram Ganeshan; |
| 73 | Linear Resistivity in 2D Doped Silicon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The views expressed in the article do not necessarily represent the views of the DOE or the U.S. Government. |
Jeffrey Ivie ; Christopher Allemang ; Deanna Campbell ; Thomas Sheridan ; Steve Young ; Tzu-Ming Lu ; Shashank Misra; |
| 74 | Dissipation Spectrum and Angular Dynamics of 2+1D Non-Fermi Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the eigenvalues of the kernel using the Migdal-Eliashberg formalism or the Yukawa-SYK model in the context of a Fermi surface coupled to the Ising-nematic quantum critical point. |
Haoyu Guo; |
| 75 | Enhancement of Magnetic Anisotropy Via The Kondo Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Magnetocrystalline anisotropy is important for permanent magnets, and as a tuning parameter for correlated and topological phases. Here, we discuss the complex effects that Kondo screening has on the magnetic anisotropy, especially at intermediate temperatures above the Kondo temperature. |
Rebecca Flint ; Milan Kornjaca; |
| 76 | Resonant Inelastic X-ray Scattering of Spin-charge Excitations in Kondo Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present a RIXS study of the [5] alloy excited at the Ce edge. |
Bodry Tegomo Chiogo ; Thierry Schweitzer ; Thomas Mazet ; Alessandro Nicolaou ; Deniz Wong ; Christian Schulz ; Ashish Chainani ; Klaus Habicht ; Daniel Malterre; |
| 77 | Kondo (non-Abelian) Anyons – A Realistic Proposal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a unique way to generate non-Abelian anyons in a gapless system by exploiting a deep mathematical relation with the multichannel Kondo effect. |
Matan Lotem; |
| 78 | Is The Ground State of Anderson’s Impurity Model A Recurrent Neural Network? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recurrent neural networks (RNNs) have recently gained traction in the form of Neural Quantum States (NQS) ansätze for quantum many body ground states and they are known to be able to learn such complex patterns [2]. We explore RNNs as an ansatz to capture the AIM’s ground state for a given Wilson chain length and investigate its capability to predict the ground state on longer chains for a converged ground state energy. |
Jonas Rigo ; Markus Schmitt; |
| 79 | Effect of Interactions on Density of States and Magnetization Oscillations in Kondo Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present an analytical understanding of our numerical results. |
Abhisek Samanta ; Sumilan Banerjee ; Mohit Randeria; |
| 80 | Theory and Experiment of Current Noise Through Kondo Dot Under Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a comprehensive theoretical and experimental investigation of bias-voltage nonlinear current noise arising from the spin-1/2 Kondo effect in a carbon nanotube quantum dot at low temperatures, with a varying applied magnetic field. |
Rui Sakano ; Tokuro Hata ; Kaiji Motoyama ; Yoshimichi Teratani ; Tomonori Arakawa ; Meydi Ferrier ; Richard Deblock ; MIkio Eto ; Kensuke Kobayashi ; Akira Oguri; |
| 81 | Role of Bias and Tunneling Asymmetries in Nonlinear Fermi-liquid Transport Through An SU(N) Quantum Dot Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We calculate the expansion coefficients for SU( N) symmetric quantum dots with N=4 and N=6, using the numerical renormalization group across a wide range of electron fillings, and clarify the contribution of three-body Fermi-liquid effects emerging in the Kondo states at electron-hole asymmetric integer-filling points and in the valence fluctuation region. |
Akira Oguri ; Kazuhiko Tsutsumi ; Yoshimichi Teratani ; Kaiji Motoyama ; Rui Sakano; |
| 82 | Systematic Compactification of The Multichannel Kondo Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Capitalizing on the consistent bosonization-debosonization procedure [1,2], we propose a systematic way to compactify the multichannel Kondo model. |
Aleksandar Ljepoja ; C. Bolech ; Nayana Shah; |
| 83 | A Theoretical Study of Magnetic Oscillations in Two-dimensional Kondo Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use large-N theory to study the behavior of normal and topological Kondo insulators under weak to moderate magnetic fields. |
Kaize Wang ; Yang Ge ; Yashar Komijani; |
| 84 | Quantum Criticality Enabled By Entwined Degrees of Freedom Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study [1] the fate of an SU(4) spin-orbital Kondo state in a multipolar Bose-Fermi Kondo model, an effective description of a multipolar Kondo lattice. |
Qimiao Si ; Chia-Chuan Liu ; Silke Paschen; |
| 85 | Magnetic Dirac-Kondo Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the discovery and understanding of a novel heavy-fermion material wherein magnetism, Kondo effect, and topology coexist. |
Haoyu Hu ; Yi Jiang ; Yuanfeng Xu ; Yulin Chen ; Defa Liu ; Andrei Bernevig; |
| 86 | Evidence for Ground State Coherence in A Two-dimensional Kondo Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present evidence of a coherent ground state in the 1T/1H-TaSe 2 heterobilayer by means of scanning tunneling microscopy/spectroscopy at 340 mK (1). |
Miguel Ugeda; |
| 87 | Optical Properties of Gated Bilayer Graphene Quantum Dots with Trigonal Warping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Building upon previous work [1,2], we employ an atomistic tight-binding model to compute the single-particle QD states and analyze how trigonal warping influences the wavefunctions and energy spectrum as a function of the applied vertical electric field and quantum dot confining potential. |
Matthew Albert ; Yasser Saleem ; Katarzyna Sadecka ; Marek Korkusinski ; Daniel Miravet ; Pawel Hawrylak; |
| 88 | Voltage-induced Modulation of Optical Properties in Multilayer Graphene with Ionic Liquid Intercalation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a significant modulation of the optical properties of multilayer graphene using a simple device consisting of a multi-layer graphene/ porous membrane/ gold film stack. |
Stephen Cronin ; Zhi Cai; |
| 89 | Opacity of Graphene Independent of Light Frequency and Polarization Due to The Topological Charge of The Dirac Points Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A similar analysis suggests that 3D topological insulator thin films of any thickness also have opacity $pialpha$ in the infrared region owing to the topological surface states, indicating that one can see the surface states by naked eyes through an infrared lens. |
Wei Chen ; Matheus de Sousa; |
| 90 | Nanoscale Time-resolved Spectroscopy of Electrically Gated Graphene Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a novel optical spectrometer capable of probing the nonlinear optical response of nanoparticles with dimensions ~10 nm or less, over a wide range of frequencies[1]. |
Melanie Dieterlen ; Pubudu Wijesinghe ; Kyoungjun Lee ; Ki-Tae Eom ; Chang-Beom Eom ; Alexander Sinitskii ; Patrick Irvin ; Jeremy Levy ; Mamun Sarker; |
| 91 | Exploring Hot-electron Plasmons in Graphene with Nano-infrared Imaging and Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a comprehensive nano-infrared imaging and spectroscopy study of the hot-electron plasmons in graphene using the scattering-type scanning near-field optical microscope (s-SNOM). |
Zhe Fei ; Yilong Luan ; Marek Kolmer ; Michael Tringides; |
| 92 | Nano-infrared Imaging and Spectroscopy of Epitaxial Graphene on SiC Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Epitaxial graphene on silicon carbide (SiC) is one of the most important types of graphene for technological applications due to its scalability, high quality, and potential for generating new electronic properties. In this work, we demonstrate that scattering-type scanning near-field optical microscopy (s-SNOM) is a powerful and efficient technique for characterizing epitaxial graphene due to its capability of high-resolution infrared (IR) imaging and spectroscopy. |
Michael Fralaide ; Yuanchen Chi ; Raghunandan B. Iyer ; Yilong Luan ; Shen Chen ; Ruth Shinar ; Joseph Shinar ; Marek Kolmer ; Michael Tringides ; Zhe Fei; |
| 93 | Chiral Spin Waves in A Dirac Fermi-Liquid with Spin-Orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This is particularly useful in characterizing the dynamics of spins in low-dimensional systems with a smaller number of carriers. In this work, we study the EDSR response of a 2D Dirac Fermi-Liquid (FL) with extrinsic SOC, e.g., graphene adsorbed on a transition metal dichalcogenide, and analyze the behavior of the uniform (q=0) collective spin excitations of the system – chiral spin waves – as they evolve with a static in-plane magnetic field. |
Soumitra Ganguly ; Abhishek Kumar ; Saurabh Maiti ; Dmitrii Maslov; |
| 94 | Optical Nonlinearities in Triangular Graphene Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study theoretically interaction of short optical pulses with triangular graphene quantum dots. |
Suresh Gnawali ; Vadym Apalkov; |
| 95 | Near-field Measurements of Magneto-edge-plasmon of Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we discuss the observation of the magneto-edge-plasmon in both near-field scattering and nano-photocurrent signal using the state-of-the-art magnetic scanning near-field optical microscope (m-SNOM). |
Ran Jing; |
| 96 | Terahertz Electrodynamics of Tunable Graphene Microcavities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a generalizable platform for near-field on-chip THz spectroscopy that can access the electrodynamic response of gate-tunable vdW heterostructures from ~30 GHz – 1.2 THz (0.12 – 5 meV). |
Gunda Kipp ; Hope Bretscher ; Marios Michael ; Benedikt Schulte ; Dorothee Herrmann ; Toru Matsuyama ; Matthew Day ; Kateryna Kusyak ; Xinyu Li ; Felix Sturm ; Sivasruthi Kesavan ; Jesse Hagelstein ; Sara Langner ; Yunfei Huang ; José Pizarro ; Takashi Taniguchi ; Kenji Watanabe ; Tim Wehling ; Michael Sentef ; Angel Rubio ; Dante Kennes ; Emmanuel Baudin ; Guido Meier ; James McIver; |
| 97 | Helical Boundary Modes from Synthetic Spin in A Plasmonic Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, using the two-dimensional Lieb lattice as a prototypical example, we show that an array of disks which each support localized plasmon modes give rise to an analog of the quantum spin Hall state enforced by a synthetic time reversal symmetry. |
Sang Hyun Park ; Tony Low ; Eugene Mele ; Michael Sammon; |
| 98 | Electronic Interactions in Dirac Fluids Measured By Nano-terahertz Spacetime Metrology Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work reveals new aspects of light-matter interaction in strongly correlated quantum systems. |
Suheng Xu ; Yutao Li ; Rocco Vitalone ; Ran Jing ; Aaron Sternbach ; Shuai Zhang ; Julian Ingham ; Milan Delor ; James McIver ; Matthew Yankowitz ; Raquel Queiroz ; Andrew Millis ; Michael Fogler ; Cory Dean ; James Hone ; Mengkun Liu ; Dmitri Basov; |
| 99 | Anomalous Shift and Optical Vorticity in The Steady Photovoltaic Current (Part 2) Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Steady illumination of a non-centrosymmetric semiconductor results in a bulk photovoltaic current, which is contributed by real-space displacements (‘shifts’) of charged … |
Aris Alexandradinata ; Penghao Zhu ; Xu Yang ; Pavlo Sukhachov; |
| 100 | Adiabatic Pumping in Tunable Anisotropic XY Chains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we explore the possibility of braiding operations through topologically protected adiabatic pumping in similar systems [5]. |
Mainak Pal ; Silas Hoffman ; Xiaoguang Zhang ; Hai-Ping Cheng; |
| 101 | Berry Curvature Pumps from Locally Parameterised States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a systematic wavefunction-based approach to higher Berry curvature based on local parameter spaces, for short-range entangled systems on a lattice. |
Ophelia Evelyn Sommer ; Xueda Wen ; Ashvin Vishwanath ; Michael Hermele; |
| 102 | Bulk-Edge Correspondence (BEC) for Euler Class Via Projected Green’s Function Zeros Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These methods have even been adapted to construct spectral gaps in quasi-periodic systems and to restore BEC in non-Hermitian systems. This talk explores the application of these methods to Euler class topological invariants and the construction of an enhanced BEC from “iterated projection” of the projected Green’s function. |
Dan Borgnia ; Robert-Jan Slager ; Wojciech Jankowski ; Arthur Morris; |
| 103 | Liouvillian Skin Effect Induced By Strong Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides a way to realize topological phenomena in an open quantum system arising from interactions. |
Shu Hamanaka ; Kazuki Yamamoto ; Tsuneya Yoshida; |
| 104 | Study The Charge Transport of The Rice-Mele-Hubbard Model Using Floquet Dynamical Mean-field Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work may provide a qualitative picture of many correlated Floquet Topological lattice models. |
Haixin Qiu ; Johann Kroha; |
| 105 | Absence of Disordered Thouless Pumps at Finite Frequency Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the interplay of disorder and finite frequency driving in the Thouless pumps and show that the pump rate always decays to zero due to non-adiabatic transitions between the instantaneous eigenstates. |
Dominik Vuina ; David Long ; Philip Crowley ; Anushya Chandran; |
| 106 | Enhanced Non-normality in Non-Hermitian Skin Effects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Correspondingly to spectrum and state changes of the skin effects, we introduce two scalar measures of non-normality and argue that the non-Hermitian skin effects enhance both macroscopically under the OBC. |
Yusuke Nakai ; Nobuyuki Okuma ; Daichi Nakamura ; Kenji Shimomura ; Masatoshi Sato; |
| 107 | Light-induced Floquet Effects in Graphene Under Continuous-wave Mid-infrared Irradiation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on the observation of photoinduced longitudinal conductance and transverse voltage modifications in graphene Hall bars irradiated with high-power, linearly and circularly polarized mid-infrared radiation, at cryogenic temperatures. |
Yijing Liu ; Gabriel Gaertner ; Taylor Terrones ; Alexey Suslov ; Luis Foa Torres ; Paola Barbara ; Nikolai Kalugin; |
| 108 | Floquet Engineering Beyond The Schrödinger Equation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we extend the notion of classical Floquet metamaterials beyond the analogy of the Schrödinger equation and investigate what novel phenomena emerge when more general equations of motion are considered. |
Alexander Fritzsche ; Alexander Stegmaier ; Riccardo Sorbello ; Hauke Brand ; Christine Barko ; Tobias Helbig ; Tobias Hofmann ; Tobias Kießling ; Ching Hua Lee ; Ronny Thomale; |
| 109 | Measurement of Topological Invariants from Mean Chiral Displacements in Dynamically-modulated Photonic Molecules Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Photonic systems have been leveraged for demonstrating a plethora of topological phenomena, particularly utilizing the frequency degree of freedom in photonic resonators. Very … |
Sashank Kaushik Sridhar ; Alexander Miller ; Dhruv Srinivasan ; Muhammad Ahmad ; Avik Dutt ; Rohith Srikanth; |
| 110 | Direct Observation of Exciton Shift Current in A Noncentrosymmetric Widegap Semiconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we show a successful demonstration of the exciton shift current in epitaxial thin films of CuI, a widegap semiconductor with a noncentrosymmetric zinc-blende structure. |
Masao Nakamura ; Takahiro Yasunami ; Yang-hao Chan ; Yi-Shiuan Huang ; Guang-Yu Guo ; Yajian Hu ; Naoki Ogawa ; Yiling Chiew ; Xiuzhen Yu ; Takahiro Morimoto ; Naoto Nagaosa ; Yoshinori Tokura ; Masashi Kawasaki; |
| 111 | Geometric Effects in Quantum Tunneling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our study, we consider a twisted Landau-Zener Hamiltonian, in which a quadratic term additional to the normal Landau-Zener model produces nonadiabatic geometric effects. |
Shintaro Takayoshi ; Jianda Wu ; Takashi Oka; |
| 112 | Amoeba Formulation of Non-Bloch Band Theory in Arbitrary Dimensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a formulation of the non-Hermitian skin effect and non-Bloch band theory in arbitrary spatial dimensions, which is based on a natural geometrical object known as the amoeba. |
Hong-Yi Wang ; Fei Song ; Zhong Wang; |
| 113 | Anomalous Shift and Optical Vorticity in The Steady Photovoltaic Current Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Steady illumination of a non-centrosymmetric semiconductor results in a bulk photovoltaic current, which is contributed by real-space displacements (`shifts’) of charged … |
Penghao Zhu ; Aris Alexandradinata; |
| 114 | Role of Carbon Impurities at Grain Boundaries and Stone-Wales Defects in HBN: A Potential New Class of Single Photon Emitters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work sheds light on a new class of defects that may appear at highly strained areas and grain boundaries in hBN, where bright single photon emitters have already been observed. |
Rohit Babar ; Igor A. Abrikosov ; Gergely Barcza ; Viktor Ivady; |
| 115 | Pb-induced Growth of Bilayer Germanene on Ag(111) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report an approach of growing bilayer germanene using a Pb layer as a template deposited on a quasi-freestanding phase (QP) germanene grown on Ag(111), and then further depositing extra germanium atoms on the surface to form bilayer germanene. |
Ting-Yu Chen ; Shu-Jung Tang ; Hung-chung Hsueh ; Shun-Jen Cheng ; Chin En Hsu ; CHING-YU HEI; |
| 116 | Excitons and Dielectric Response in Bulk and Monolayer V2O5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present quasiparticle self-consistent QSGW calculations of the band structure in which W includes ladder diagrams [Cunningham et al. |
Claudio Garcia ; Walter R Lambrecht ; Santosh Radha; |
| 117 | Phase Transition and Magnetic Coupling in NbOI$_2$ Monolayer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the anisotropic Heisenberg model, the Néel temperature of the monolayer NbOI$_2$ is predicted to be 43 K, and the magnetic susceptibility has a valley at 10 K. The anisotropy of magnetic exchange-coupling strength along two orthogonal lattice vectors is further analyzed, and we provide a clear physical picture to understand these phenomena. |
Guitao Zhang ; Qian Chen; |
| 118 | Electronic and Magnetic Properties of Vanadium-based Transition Metal Dichalcogenides: Quantum Monte Carlo and DFT+U Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Two-dimensional vanadium-based dichalcogenides have attracted a great deal of attention due to their various electronic and optical properties depending on the composition of chalcogen atoms. We here present the results of our density functional theory (DFT) and quantum Monte Carlo (QMC) calculations for VX 2 and its janus structure VXY (X, Y=S and Te). |
Hyeondeok Shin ; Jeonghwan Ahn ; Yongkyung Kwon; |
| 119 | Metallic Conductivity in Ti3C2Tx Evidenced By Temperature-Dependent Resistivity Measurements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Metallic Conductivity in Ti3C2Tx Evidenced by Temperature-Dependent Resistivity Measurements. |
Alexey Lipatov ; Saman Bagheri ; Alexander Sinitskii; |
| 120 | Oral: Role of Electron-phonon Interaction in Quasi-1D Excitonic Chalcogenide Ta2Ni(Se,S)5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Combining angle-resolved photoemission spectroscopy and first principles calculation, we discover negative electronic compressibility in charge-doped ground state, and electron-phonon interaction may be solely accountable [1]. |
Yu He ; Cheng Chen ; Xiang Chen ; Weichen Tang ; zhibo kang ; Steven Louie ; Robert Birgeneau ; Yulin Chen ; Yao Wang; |
| 121 | Atomic-scale Investigation of Magnetochiral Tunneling Effect in Chiral-structured Co1/3NbS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The magnetic signal alternates in contrast around a topological vortex point and the tunneling spectroscopy reverses with the chirality and tunneling direction. We propose that an imbalanced Berry curvature, referred to as a Berry curvature dipole, plays a pivotal role in this novel magnetochiral tunneling effect, as the chiral structure forces a radial texture of Berry curvature in the reciprocal space. |
Seongjoon Lim ; Sobhit Singh ; Fei-Ting Huang ; Shangke Pan ; Kefeng Wang ; Jaewook Kim ; Jinwoong Kim ; David Vanderbilt ; Sang-Wook Cheong; |
| 122 | Observations of Mott Gaps in A Disordered (Ti,V,Cr,Nb,Ta)S2 Material Studied with Scanning Tunneling Microscopy and Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report an observation of the emergence of position dependent gap-like features near the Fermi energy in the metallic dI/dV spectra of a (Ti,V,Cr,Nb,Ta)S 2 HEX crystal. |
Lauren Kim ; Brian Leonard ; John Samuel ; TeYu Chien; |
| 123 | Structure and Electronic Properties of Hexagonal Phosphorous Monolayer on Au(111) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present the controlled growth and electronic properties of a flat hexagonal phosphorous monolayer on Au(111). |
Abhishek Karn ; Cyril Chacon ; Yannick Dappe ; Jerome Lagoute; |
| 124 | Nanoscale Charge Transport Characterization of Novel Type 2D MOFs and COFs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will characterize the charge transport in novel type 2D coordination network materials like Cu-BHT, considering also the influence of properties like structure or defects. By that, we will demonstrate why they are promising candidates for implementation into van der Waals heterostructures. |
Jonas Poehls ; Zhiyong Wang ; Laura Frey ; Renhao Dong ; Dana Medina ; Xinliang Feng ; R. Thomas Weitz; |
| 125 | Strain and Flexoelectric Engineering for The Electrostatic and Ferroelectric Properties of 2D Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using an electrostatic physics model, we show that photoinduced strain and structural variations can lead to strong flexoelectricity and modulations of the out-of-plane polarization, providing an alternative and ultrafast switching route for 2D ferroelectrics. |
Tyson Karl ; Qunfei Zhou; |
| 126 | Imaging Confined Interacting Electrons in 2D Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will show that through developing novel scanning tunneling current imaging techniques, we are able to spatially resolve new quantum phases of confined interacting electrons in 2D Van der Waals Heterostructures. |
Hongyuan Li ; Ziyu Xiang ; Aidan Reddy ; Trithep Devakul ; Tianle Wang ; Mit Naik ; Woochang Kim ; Alex Zettl ; Liang Fu ; Michael Zaletel ; Michael Crommie ; Feng Wang; |
| 127 | Huge Fermi Arc-mediated Conductivity in Topological Dirac Semimetal Cadmium Arsenide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Having previously been the subjects of decades of semiconductor research, cadmium arsenide has now reemerged as a topological material, realizing ideal three-dimensional Dirac points at the Fermi level, which have been the subject of much research. |
Vsevolod Ivanov ; Lotte Borkowski ; Sergey Savrasov; |
| 128 | Pseudo-atomic Orbital Based Tight-binding Model Investigation of Fermi Arcs in Na3Bi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We examine the effect of surfaces in a realistic model of Na 3Bi. |
Vasilios Passias ; Lucas Wagner; |
| 129 | Tight-binding Model with Sublattice-asymmetric Spin-orbit Coupling for Square-net Nodal Line Dirac Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this way, we present a systematic method where the SOC-gaps in the px-py models emerge as a consequence of the hybridization of the bands. |
Salvador Barraza-Lopez ; Gustavo Orozco-Galvan ; Amador Garcia Fuente; |
| 130 | Representation-enforced Topological Nodal Planes in Hexagonal Space Groups Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we discuss how certain band representations of hexagonal space groups exhibit necessarily topological nodal planes with a charge that cannot be removed, propose material examples and predict their possible surface states. |
Moritz Hirschmann ; Kirill Alpin ; Raymond Wiedmann ; Niclas Heinsdorf ; Wan Yee Yau ; Andreas Leonhardt ; Johannes Mitscherling ; Andreas Schnyder; |
| 131 | Theoretical Study of Phononic Weyl Nodal Lines and Weyl Points in 2D Hexagonal Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we build tight-binding models to investigate what leads to non-trivial topology in hexagonal monolayers and bilayers. |
He Zhu ; Simon Wills ; Rafael Fernandes ; David Flannigan ; Turan Birol; |
| 132 | Weyl Loops in Random Topological Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For realistic systems, it may be difficult to locate the Weyl loops and topological surface states in the Brillouin zone. Therefore, we extend the analysis of a parametric random matrix model proposed by Walker and Wilkinson, limited to real symmetric matrices, to find the statistics of their distributions. |
Hung-Hwa Lin ; Daniel Arovas ; Yizhuang You; |
| 133 | Signatures of Topological Anisotropic Anderson Transition in A Class-D Nodal-line Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a two-band tight-binding model of topological nodal-line Weyl semimetal on the cubic lattice, which belongs to the symmetry class D of the Altland-Zirnbauer classification [1]. |
Tong Wang ; Zhenyu Xiao ; Ryuichi Shindou ; Tomi Ohtsuki; |
| 134 | Anisotropic Topological Anderson Transitions in Chiral Symmetry Classes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our extensive numerical study clarifies that the critical exponent of the Anderson transition between the metallic and quasilocalized phases, as well as that between the quasilocalized and localized phases, are different from that with no weak topological index, signaling the new universality classes induced by topology. |
Zhenyu Xiao ; Kohei Kawabata ; Xunlong Luo ; Tomi Ohtsuki ; Ryuichi Shindou; |
| 135 | Berry Phase Effect on Metal-insulator Transition in Chiral Symmetry Class Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this report, we present a theory of the Anderson transition in 2D chiral symmetry classes with the weak topological index, and clarify that the quasi-localized phase universally emerges from a Berry phase effect associated with the topological index. |
Pengwei Zhao ; Zhenyu Xiao ; Yeyang Zhang ; Ryuichi Shindou; |
| 136 | Shift Current Responses of A Two-dimensional System Approaching The Weyl Semimetal Phase Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we focus on the shift current responses of two-dimensional systems and study their behavior in the limit where the energy gap of the system closes and the system approaches the Weyl semimetal phase. |
Hiroki Yoshida ; Shuichi Murakami; |
| 137 | Nonlinear Optical Responses of The Weyl-Kondo Semimetal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the high-harmonic generation of the Weyl-Kondo semimetal model, using a spin-orbit-coupled Peierls-substituted noncentrosymmetric periodic Anderson model. |
Sarah Grefe ; Jian-Xin Zhu; |
| 138 | Optical Signatures of Ultrafast Symmetry Switching in Weyl Semimetal TaIrTe4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the optical response of the TaIrTe 4 crystal symmetry following an ultrafast, NIR pump via transient reflectance and time-resolved phase-sensitive second harmonic generation (SHG). From the reflectance probe, we isolate a pump-induced excitation of an interlayer phonon mode (~15wn) and observe a threshold pump fluence above which the phonon oscillation inverts phase. |
David Lafayette ; Yulu Mao ; Wenxu Duan ; Yangchen He ; Daniel Kohler ; Daniel Rhodes ; John Wright ; Jun Xiao; |
| 139 | Theory of Giant Phonon Magnetic Moment in Doped Dirac Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a new theoretical framework to calculate the phonon magnetic moment in doped Dirac semimetals, motivated by the recent experimental observation of giant phonon magnetic moment in these materials [1]. |
Wenqin Chen ; Xiaowei Zhang ; Ying Su ; Di Xiao ; Shizeng Lin; |
| 140 | Numerical Simulations of Proximitized Superconductivity in Weyl Semimetals with Broken Inversion Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We numerically model the behavior of the BCS pairing amplitude of a device consisting of an S-wave superconductor in contact with a broken inversion Weyl Semimetal. |
Robert Dawson ; Vivek Aji; |
| 141 | Universal Scaling Relations in Electron-phonon Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we investigate the scaling relationship between the T=0 superfluid density and the normal-state conductivity at T=Tc for a class of weakly- and strongly-coupled electron-phonon superconductors. |
Joshuah Heath ; Rufus Boyack; |
| 142 | Quantum Interference of Cooper Pair Split Quasiparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a normal metal ring, we show that the Cooper pair split quasiparticles remain phase coherent over micron size length scales by measuring quantum h/2e oscillations of the nonlocal voltage as a function of an applied magnetic field. |
Maxwell Wisne ; Austin Marga ; Venkat Chandrasekhar; |
| 143 | Strongly Coupled Cavity Magnonics with Hybrid Superconductor-ferromagnet Resonators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To realize such a cavity magnonic system, we study a planar superconducting resonator directly coupled to a metallic ferromagnet, which enables multiple coupling channels between the two sub-systems. In this talk, we will demonstrate that these devices exhibit extremely strong magnon-photon couplings leading to a variety of novel phenomena, and discuss the roles of dissipation, interfacial spin-orbit coupling, and proximity effects in this system. |
Nicholas Poniatowski ; Charlotte Bøttcher ; Andrey Grankin ; Marie Wesson ; Zihan Yan ; Uri Vool ; Victor Galitski ; Amir Yacoby; |
| 144 | Anisotropic Magnetic Field Dependence in Hybrid Superconductor/semiconductor Microwave Resonator As A Signature of Non-trivial Induced Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present measurements of a lumped element microwave resonator made out of hybrid Al/InAs superconductor/semiconductor 2D heterostructures. |
Simon Feyrer ; Ignacio Lobato ; Michael Prager ; Dominique Bougeard ; Carlos Balseiro ; Marco Aprili ; Christoph Strunk ; Leandro Tosi; |
| 145 | Heating at The Interface of A Superconductor in The Quantum Hall Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here I present transport measurements in a device expected to be sensitive to Andreev conversion which exhibits signatures of heat propagation via the chiral edge states. |
Jordan McCourt ; Chun-Chia Chen ; John Chiles ; Kenji Watanabe ; Takashi Taniguchi ; Francois Amet ; Gleb Finkelstein; |
| 146 | Superconductivity in Percolating Niobium Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied the superconducting properties of nanostructured niobium films patterned on top of gold. |
Gerrit Bosch ; Robert Lynn ; A. Fluksek ; Kristine Ung ; Samuel Shapiro ; Danko Radić ; Emil Tafra; |
| 147 | Epitaxial Iridate/Cuprate Heterostructures for Proximity Effect Studies Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we introduce spin-orbit coupling (SOC) into the PE scenario by heterostructuring superconducting YBa 2Cu 3O 7-δ with a semimetallic iridate SrIr 1-xO 3-δ, in an effort to study novel effects that the strong SOC in the iridate may have on the proximity coupling and the proximity-induced pairing state [3]. |
Rainni Chen ; Charles Zhang ; Hao Zhang ; Jacob Lalande ; Young-June Kim ; John Wei; |
| 148 | Transparent Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work shows the promise of ITO films for on-chip hybridization of photonic and superconducting devices and new optimized single-photon detectors. |
Ali Aliev ; Aaron Parra ; Mikhail Belogolovskii; |
| 149 | Nonlinear Inductive Response of Pinned Superconducting Vortices in Artificial Pinning Sites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Exploiting the similarity of the observed E-J behavior to that modeled by a critical exponent near a second phase transition, we obtain an empirical equation that well fits the effective inductivity curve as a function of the applied current. |
Abdulwahab Al Luhaibi ; John Ketterson ; Andreas Glatz; |
| 150 | Optical Properties of Superconducting NbTi Thin Films in The Terahertz Region Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our research provides valuable insights into the behaviour of NbTi thin films under varying temperatures and in-plane magnetic fields in the terahertz frequency range. |
Ji Eun Lee ; Bongkeon Kim ; Yong-Joo Doh ; Jae Hoon Kim; |
| 151 | Optical Absorption Signatures of Superconductivity Driven By Van Hove Singularities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we theoretically show that the presence and absence of the optical absorption peak driven by an applied current in different directions can be used to experimentally deduce the directionality and dispersion of relevant VHS. |
Hyeok-Jun Yang ; Yi-Ting Hsu; |
| 152 | Optical Properties of Severely Overdoped La1.75Sr0.25CuO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The temperature dependence of the complex optical properties of the severely overdoped cuprate La 1.75Sr 0.25CuO 4 have been determined above and below the critical temperature T … |
Christopher Homes ; G.Lawrence Carr ; Genda Gu ; Qiang Li; |
| 153 | Measurements of Superconducting Properties in The Non-Centrosymmetric Superconductor AuPb3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Theory predicts an admixture of spin-singlet and spin-triplet symmetry for the superconducting states. |
MEENA SHRESTHA ; Clement Burns ; Matthew Cook ; Keshab Kauchha; |
| 154 | Superconductivity Driven By Symmetry Breaking in RuO2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Most importantly: If d {110}≠ d {-110}, we discovered that RuO 2 films are superconducting, in contrast to films where d {110}= d {-110}. |
Yoshiharu Krockenberger ; Jelle Ruiters ; Hiroshi Irie ; Yoshitaka Taniyasu ; Hideki Yamamoto; |
| 155 | Microwave Investigation of Higgs Mode in A Superconducting Wires Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied Titanium samples for which 2Δ is of the order of 10-30 GHz and we studied different samples corresponding to different limits of superconductivity. In this experiment we present a precise and quantitative measurement of the high frequency complex impedance of a superconducting wire in the microwave range. |
Laurine Marian; |
| 156 | Electronic Transport and Terahertz Magnetospectroscopy Studies of BCS Superconductors in Cavities Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the results of our studies on thin films of superconductors inside terahertz cavities in search of some of the recently predicted phenomena of cavity-enhanced, cavity-mediated, and cavity-induced superconductivity. |
Hongjing Xu ; Eichi Yoshizaki ; Fuyang Tay ; Andrey Baydin ; T. Elijah Kritzell ; Jacques Doumani ; Hongkai Shi ; Jaime Moya ; Manukumara Manjappa ; Motoaki Bamba ; Xiaoqing Jia ; Emilia Morosan ; Junichiro Kono; |
| 157 | Improving Photon Sensitivity of High Temperature Superconductor (HTS) Superconducting Nanowire Single Photon Detector (SNSPD) By Making It Dirty Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed a comprehensive model based on the two-fluid theory incorporating temperature dependent thermodynamic properties, Joule heating and time dependent thermal source from the incident photon (wavelength, λ = 1550 nm). |
Souvik Haldar ; Krishna Balasubramanian; |
| 158 | Two-fluid Physical Modeling of Superconducting Resonators in The ARTEMIS Framework Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we implement a new London equation module for superconductivity in the GPU-enabled ARTEMIS framework, and couple it to a finite-difference time-domain solver for Maxwell’s equations. |
Andrew Nonaka ; Zhi (Jackie) Yao ; Revathi Jambunathan ; Richard Lombardini ; Aaron Rodriguez; |
| 159 | Anomalous Hall Effect in A New Ce Based Heavy Fermion Compound Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss the magneto-transport and thermodynamic properties of a new Ce based compound. |
Kevin Allen ; Emilia Morosan; |
| 160 | Plethora of Flat Bands in A Mixed-valence Ce-based Pyrochlore Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we delve into the electronic structure of a cerium (Ce) based pyrochlore lattice. |
Zijia Cheng ; Pengyu Zheng ; Junyao Ye ; Xian Yang ; Tyler Cochran ; Shuang Jia ; Zhiping Yin ; Zahid Hasan; |
| 161 | Thermoelectric Effects in Kagome Metal FeGe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Kagome metal FeGe is claimed to have a CDW that occurs around 100 K, but the exact mechanism of this phenomenon is unknown. We performed thermoelectric measurements on FeGe with magnetic field dependance up to 14 T. By measuring the Nernst and Seebeck effects in this Kagome compound, we were able to provide evidence of multiple phase transitions, confirming the presence of a CDW. |
Kaila Jenkins ; Guoxin Zheng ; Yuan Zhu ; Kuan-Wen Chen ; Dechen Zhang ; Aaron Chan ; Lu Li ; Ming Yi ; Xiaokun Teng ; Mason Klemm ; Pengcheng Dai; |
| 162 | Tuning Topology and Strong Correlation in Thin Film FeTexSe1-x Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the evidence for non-trivial topological surface states in MBE grown FeTe x Se 1-x thin films with x > 0.7. |
Haoran Lin ; Chenhui Yan ; Qiang Gao ; Gabriele Berruto ; Christopher Jacobs ; Yan Li ; Hao Zheng ; Hua Zhou ; Zhan Zhang ; Yue Cao ; Subhasish Mandal ; Shuolong Yang; |
| 163 | Frustrated Charge Order and Competing Charge Density Wave Instabilities in ScV6Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Both long-range and short-range charge correlations seemingly arise from the same instability and both are rapidly quenched upon the doping of larger Y ions onto the Sc sites. Our results validate the theoretical prediction of the primary lattice instability at q=(1/3 , 1/3 , 1/2), and we present a qualitative picture of the frustration of charge order in this compound. |
Ganesh Pokharel ; Linus Kautzsch ; Brenden Ortiz ; Steven Gomez Alvarado ; Krishnanand Mallayya ; Eun-Ah Kim ; Jacob Ruff ; Suchismita Sarker ; Stephen Wilson; |
| 164 | Metallic Quantum Criticality Enabled By Flat Bands in Kagome Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate flat bands in strongly correlated d-electron-based metallic systems on lattices that realize destructive kinematic interference [1, 2]. |
Shouvik Sur ; Lei Chen ; Fang Xie ; Haoyu Hu ; Silke Paschen ; Jennifer Cano ; Qimiao Si; |
| 165 | Local Spectroscopy of A Gate-tunable Energy Gap in Monolayer 1T’-WTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Experimental evidence supports quantized conductance through such edge-states, but the nature of the insulating bulk and whether it is dominated by spin-orbit coupling (SOC) or strong correlation remains under debate. Here we have employed scanning tunneling microscopy and spectroscopy (STM/S) on gate-tunable 1T’-WTe 2 devices to explore this issue. |
Tiancong Zhu ; Zehao He ; Michal Papaj ; Samuel Stolz ; Tianye Wang ; Yalong Yuan ; Canxun Zhang ; Yan-Qi Wang ; Kenji Watanabe ; Takashi Taniguchi ; Alex Zettl ; Guangyu Zhang ; Joel Moore ; Zi Q. Qiu ; Feng Wang ; Michael Crommie; |
| 166 | Topological Chiral Kagome Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show how by deforming the kagome lattice to obtain a three-dimensional (3D) chiral kagome lattice in which the key band features of the non-chiral 2D kagome lattice – flat energy bands, van Hove singularities (VHSs), and degeneracies – remain robust in both the = 0 and planes in momentum space. |
Guoqing Chang ; Jingyang You ; Xiaoting Zhou ; Tao Hou ; Arun Bansil; |
| 167 | Anomalous Hall Effect in Topological Kondo Insulator Candidate Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a study on the electronic and magnetic properties of a potential candidate material for topological Kondo insulator (TKI). |
Christopher Broyles ; George Xu ; Zackary Rehfuss ; Hasan Siddiquee ; Sheng Ran; |
| 168 | Electronic Properties, Correlated Topology and Green’s Function Zeros Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we systematically studied the relationship between the Green’s functions and two physical observable quantities: the total electron number and the Hall conductivity. |
Maia Garcia Vergniory ; Fang Xie ; Chandan Setty ; Shouvik Sur ; Lei Chen ; Qimiao Si; |
| 169 | Ground State Stability, Symmetry, and Degeneracy in Mott Insulators with Long-range Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we remedy both issues by constructing a more general class of HK model. |
Dmitry Manning-Coe ; Barry Bradlyn; |
| 170 | Topological Wigner-Mott Insulators in Fractionally-Filled Topological Bands Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce Topological Supercell Wannier functions (TSWFs), which naturally segregate a fractionally-filled topological band into two parts in the folded Brillouin zone: Tightly-localized orbitals, and itinerant delocalized states that retain the topological obstruction. |
Brandon Monsen ; Martin Claassen; |
| 171 | Strongly Interacting Phases in Twisted Bilayer Graphene at The Magic Angle Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Twisted graphene bilayers near the magic angle are known to have a cascade of insulating phases at integer filling factors of the low energy bands. In this Letter we address the nature of these phases through an unrestricted self-consistent Hartree-Fock calculation on the lattice that, for the first time, accounts for all electronic bands. |
Bruno Uchoa ; Khagendra Adhikari ; Kangjun Seo ; Kevin Beach; |
| 172 | Topological and Magnetic Properties of The Interacting Bernevig-Hughes-Zhang Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the influence of electronic correlations on the Bernevig-Hughes-Zhang model using the real-space density matrix renormalization group (DMRG) algorithm. |
Rahul Soni ; Harini Radhakrishnan ; Bernd Rosenow ; Gonzalo Alvarez ; Adrian Del Maestro; |
| 173 | Investigation of Excitonic Topological States Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The exciton, a bound state of an electron and a hole, stands out as a fundamental quasiparticle in semiconductors, resulting from coherent light-matter interactions. The recent … |
Ryo Mori ; Kazuaki Takasan ; Ping Ai ; Samuel Ciocys ; Kaishu Kawaguchi ; Takeshi Kondo ; Takahiro Morimoto ; Joel Moore ; Alessandra Lanzara; |
| 174 | Preparation and Characterization of Cr2MnO4 Thin Films Using RF Magnetron Sputtering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will discuss the fabrication and characterization of Cr 2MnO 4 thin films deposited on Al2O3 film substrates by radio-frequency (RF) magnetron sputtering method in a controlled mixture of Ar and O2 gas. |
Babajide Akintunde ; Naomi Derksen ; James Gallagher ; Adam Hauser; |
| 175 | Growth and Characterization of Pure and Doped ZnO Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The photoluminescence study had confirmed the presence of defect states in the prepared thin films. |
Subhash Chand ; Seema Azad; |
| 176 | Chalcogenide Perovskite Thin Films with Controlled Phases for Optoelectronics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we achieved four controlled phases of chalcogenide perovskite thin films through pulsed laser deposition (PLD) and CS 2 annealing, which was guided by molecular dynamics simulations of phase stability. |
Haolei Hui ; Zhonghai Yu ; Daimen West ; Han Zhang ; Yi-Yang Sun ; Sen Yang ; Shengbai Zhang ; Hao Zeng; |
| 177 | Synthesis and Characterization of A Zirconium (Zr) Thin Film on Si(100) Via Pulsed Laser Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The study highlights crucial factors affecting Zr thin film deposition and provides insights for optimizing PLD parameters to achieve high-quality films. |
Zikrulloh Khuzhakulov ; Salizhan Kylychbekov ; Inomjon Majidov ; Yaran Allamyradov ; Mikhail Khenner ; Danielle Gurgew ; Jasminka Terzic ; Ali Oguz Er; |
| 178 | Observation of Magnetic Anisotropy in FeGaB Thin Films Deposited Under In-situ Applied Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In present work, we use in-situ magnetic fields during sputter deposition to manipulate the structure and anisotropy of the ferromagnet, FeGaB. |
Serhiy Leontsev ; Andrew Franson ; Piyush Shah ; Michael Page ; Michael Newburger; |
| 179 | Combinatorial Synthesis and Characterization of Α”-FexM1‑xN2 for Rare-Earth-Free Permanent Magnet Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Current research seeks to develop permanent magnet materials that do not contain rare earth elements to circumvent global economic and environmental issues related to their industrial mining and production. Among rare-earth-free permanent magnets, metastable α”‑Fe 16N 2 has emerged as a leading candidate in this effort owing to its large magnetization ( M s) and elemental abundance. |
Shelby Fields ; Steven Bennett ; Olaf Van’t Erve ; Cory Cress; |
| 180 | Structural, Optical, and Electrical Properties of RF Magnetron Sputtered Germanium Dioxide Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, GeO 2 thin films were deposited using radio frequency magnetron sputtering (RFMS) on r-plane Al 2O 3substrates. |
Ahmad Matar Abed ; Rebecca Peterson; |
| 181 | Can Nanometer-scale Surface Stress Embrittle Metal Surfaces? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We characterize surface stress induced in metals by adsorption of organic monolayers using in situ measurement of macroscopic cantilever deflection. |
Debapriya Pinaki Mohanty ; Anirudh Udupa ; Shatabdi Mallick ; James Mann ; Tatsuya SUGIHARA ; Ronald M Latanision ; Srinivasan Chandrasekar; |
| 182 | Investigation of Growth Mechanisms During The Deposition and Oxidation of Ir and Ru Based Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we examined the thermodynamic driving forces underlying the synthesis of elemental Ir and Ru thin films grown by solid source metal-organic molecular beam epitaxy (SSMOMBE). 4 In combination with experimental efforts, we aimed to understand the significance of these driving forces in governing metal (Ru, Ir) vs. oxide (RuO 2, IrO 2) formation during SSMOMBE growth. |
Kyle Noordhoek ; Sreejith Thampan Nair ; Dooyong Lee ; Bharat Jalan ; Christopher Bartel; |
| 183 | Formation of Pb Islands on Ge(100) and on Ge(110) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We compared the binding energies and charge densities of Pb and Au-adatoms. |
Shirley Chiang ; Andrew Kim ; Ruikuan Xie ; Ching-Yao Fong; |
| 184 | Controlling Mesenchymal Stem Cell Differentiation Using Oxide Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we used vanadium oxide thin films synthesized by the pulsed laser deposition technique to examine human stem cells generated from bone marrow. |
Wilfrid Prellier; |
| 185 | Electrospray Printed Silver Films on Insulating Targets for EMI Protection Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a method to use electrospray printing to preferentially target insulative surfaces through manipulation of the electrical properties of the substrate and an optimized "stencil" that repels charge and facilitates delivery to the target. |
Emma Pawliczak ; Paul Chiarot; |
| 186 | Electrical Transport and Structural Properties of Oxygen Deficient Strontium Titanate Thin Films Fabricated By Pulsed Laser Deposition Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our electrical resistivity results of the STO films on LAO and STO substrates, and we will discuss methods to separate substrate and film contribution from resistivity calculations. |
Marcus Rose ; R. Shipra ; Ryan Paxson ; Joseph Kromer ; Jacob Buchman ; Richard Seabrease ; Madison Previti ; Marvis Williams ; Vera Smolyaninova ; Jeffrey Simpson ; David Schaefer ; Rajeswari Kolagani; |
| 187 | Analysis of Oxide Formation on Ru Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Ru is often used as the electrical contact material in MEMS. Compared to most other contact materials Ru has advantages due to its native oxide which has properties that result in … |
Randall Wheeler ; Shivan Antar ; Anthony Valenti ; Carl Ventrice ; Matthew Strohmayer ; Joleyn Brewer ; Christopher Nassar ; Christopher Keimel; |
| 188 | Optimized Electrical Conductivity of PEDOT Thin Films and Development of Oxidative Chemical Vapor Deposition Using Volatile Liquid Oxidants Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Conducting polymers have gained attention due to their metal-like conductivity, transparency, and flexibility. The texture and nano-structure of conducting polymers play a crucial … |
Mary Becker ; Meysam Gharahcheshmeh ; Kafil Chowdhury ; Angel Campos; |
| 189 | Superconducting Diode Effect and Spontaneous Symmetry Breaking in Multi-layer Graphen Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss the potential origin of the zero-field superconducting diode effect in multi-layer graphene structures. |
Jia Li; |
| 190 | Nonreciprocal Effects in Josephson Junction Arrays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that in square-symmetry 2D-arrays nonreciprocity is given by ratchet-like deformation of the egg-crate potential which pins Josephson vortices. |
Nicola Paradiso ; Michael Manfra ; Jaroslav Fabian ; Jaroslav Fabian ; Denis Kochan ; Geoffrey Gardner ; Tyler Lindemann ; Sergei Gronin ; Simon Reinhardt ; Johanna Berger ; Simon Feyrer ; Christoph Strunk; |
| 191 | Universal Josephson and Normal-superconductor Diodes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a universal mechanism for the Josephson diode effect in short Josephson junctions. |
Margarita Davydova ; Saranesh Prembabu ; Liang Fu; |
| 192 | Nonreciprocal Superconducting Transport in Non-centrosymmetric Low-dimensional Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will talk about our work on the nonreciprocal superconducting transport in non-centrosymmetric low-dimensional superconductors under and without a magnetic field [1-6] and their possible microscopic origins including nonreciprocal paraconductivity and vortex Rachet motions. I will introduce the characteristic crossover behavior between these mechanisms and also quantum/classical vortex motions probed by the nonreciprocal transport. |
Toshiya Ideue; |
| 193 | Landau Level Spectroscopy As A Window Into Topological Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present a new analysis of highly detailed inter-Landau level transition maps in extreme magnetic fields, focusing on select topological materials: Dirac semimetals [1,2], a weak topological insulator ZrTe5 [3,4], and a Weyl semimetal TaAs [5]. |
Ana Akrap; |
| 194 | Influence of Electronic Band Topology on Raman Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will provide two theoretical examples on how electronic band topology might influence Raman scattering in 2D Dirac materials. |
Ion Garate ; Selçuk Parlak; |
| 195 | Electronic Raman Scattering in Materials with Strong Spin-orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will show in this talk that for inversion broken systems which allow Rashba type spin-orbit interaction, there is an additional resonant Raman coupling process that results in plasmon spectral weight which scales with the strength of the spin-orbit interaction, and which is present even in the long-wavelength q=0 limit without any help from phonons. |
Girsh Blumberg ; Alexander Lee ; Saurabh Maiti ; Surajit Sarkar ; Sang-Wook Cheong; |
| 196 | Spectroscopic Signatures of Collective Excitations in Spin-orbit Coupled Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will focus on the novel and unconventional effects of spin-orbit coupling which have very clear and detectable spectroscopic signatures. |
Saurabh Maiti; |
| 197 | Optical Absorption in Dirac Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will discuss optical absorption in 2D and 3D Dirac metals due to electron-electron ( ee) and electron-hole ( eh) interactions within two models: a Hubbard-like interaction and a dynamically screened Coulomb potentia. |
Dmitrii Maslov ; Prachi Sharma ; Alessandro Principi ; Adamya Goyal; |
| 198 | Direct Observation of Light-dressed States in Monolayer WSe2 with A Scanning Tunneling Microscope Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe the development of an optical-STM designed to perform single-particle tunneling spectroscopy measurements under variable illumination in the near field of an optical fiber. |
Xuehao Wu ; Thomas Darlington ; Madisen Holbrook ; Emanuil Yanev ; James Hone ; Dmitri Basov ; James Schuck ; Abhay Pasupathy; |
| 199 | Modelling of Terahertz Wave Pulse Generation Using Photoconductive Antennas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A Multiphysics numerical model based on COMSOL Multiphysics was introduced to study the coupling between the electrical and optical response of the PCAs. |
Abderrahman Aberda ; Abdelouahed El Fatimy; |
| 200 | Tunable Luttinger Liquid Systems in Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work shows that layer stacking DWs in 2D heterostructures offers tremendous opportunities to explore the Luttinger liquid physics. |
Tianle Wang ; Hongyuan Li ; Ziyu Xiang ; Mit Naik ; Woochang Kim ; Michael Zaletel ; Steven Louie ; Feng Wang ; Jiahui Nie; |
| 201 | Molecular 2D Kagome Lattices with Intrinsic Metallicity: Synthesis and Characterization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we describe a new synthesis strategy for growing periodic 2D and 1D molecular networks that exhibit intrinsic metallicity. |
Ziyi Wang ; Boyu Qie ; Jingwei Jiang ; Zisheng Zhang ; Peter Jacobse ; Jiaming Lu ; Xinheng Li ; Fujia Liu ; Anastassia Alexandrova ; Steven Louie ; Felix Fischer ; Michael Crommie; |
| 202 | Giant Nonlinear Response in Two-dimensional III-VI Transition Metal Chalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will discuss methods to increase the nonlinear response in III-VI transition-metal chalcogenides by material design, using first-principles method based on many-body GW theory and Bethe-Salpeter equation, thereby taking band gap renormalization and excitonic effects into account. |
Dmitry Skachkov ; Michael Leuenberger; |
| 203 | Ultralow Temperature Far-Infrared Spectroscopy of Correlated 2D Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we describe the development of nanofabrication and measurement techniques that allow for Far-IR (THz) optical spectroscopy of 2D materials at millikelvin temperatures. |
Michael Onyszczak ; Ayelet Uzan-Narvolansky ; Yue Tang ; Pengjie Wang ; Yanyu Jia ; Guo Yu ; Tiancheng Song ; Ratnadwip Singha ; Jason Khoury ; Leslie Schoop ; Sanfeng Wu; |
| 204 | Electron-phonon Coupling in Two-dimensional Ferroelectric: NbOI2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we apply coherent phonon spectroscopy to study the electron coupling to the phonon mode in a 2D ferroelectric semiconductor, NbOI 2. |
Chun-Ying Huang ; Daniel Chica ; Yufeng Liu ; Xavier Roy ; Xiaoyang Zhu; |
| 205 | Investigating Strain Between Phase-Segregated Domains in Cu-Deficient CuInP2S6 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: CuInP 2S 6 (CIPS) is an emerging layered ferroelectric material with a Curie temperature above room temperature. When synthesized with Cu deficiencies (i.e., Cu 1–xIn 1+x/3P 2S … |
Ryan Selhorst ; Michael Susner ; Ruth Pachter ; Jie Jiang ; Andrea Giordano ; Ryan Siebenaller; |
| 206 | Insulator-metal Transition in CrSiTe3 Triggered By Structural Distortion Under Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Analysis of the 368 cm−1 Si–Te stretching mode and the manner in which it is screened by the closure of the indirect gap reveals that the insulator–metal transition takes place immediately after the structural phase transition—once the mixed phase aspect of the lattice distortion is resolved. |
Janice Musfeldt ; David Mandrus ; Zhenxian Liu; |
| 207 | Optomechanics of A Light-emitting Van Der Waals Antiferromagnetic Membrane Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we focus on a suspended membrane of NiPS 3, an in-plane zigzag antiferromagnet presenting an intriguing photoluminescence. |
Joanna Wolff ; Loïc Moczko ; Jérémy Thoraval ; Michelangelo Romeo ; Stéphane Berciaud ; Arnaud Gloppe; |
| 208 | Magnetic Proximity Effect in A WSe2/YIG Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present magneto-photoluminescence experiments on a WSe 2 monolayer placed on an epitaxially grown yttrium iron garnet (YIG) thin film. |
Xiangcheng Liu ; Zhida Liu ; Daniel Russell ; Saba Arash ; Jeongheon Choe ; Kenji Watanabe ; Takashi Taniguchi ; Shangfan Lee ; Fengyuan Yang ; Xiaoqin Elaine Li; |
| 209 | First-principles Study of Moiré Excitons in A Twisted 2D Magnetic Semiconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on our recently developed noncollinear time-dependent density functional theory (TDDFT) methods, we performed a comprehensive study of the moiré magnetism and the spin-dependent moiré excitons in the twisted CrSBr bilayers. |
Xu Zhang ; Junyi Liu ; Gang Lu; |
| 210 | Bose-polarons in Neutral Electron-hole Systems in GaAs Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied cold neutral electron-hole (e-h) systems in separated electron and hole layers in GaAs coupled quantum well heterostructure. |
Erik Szwed ; Brian Vermilyea ; Darius Choksy ; Zhiwen Zhou ; Michael Fogler ; Leonid Butov ; Dmitry Efimkin ; Kirk Baldwin ; Loren Pfeiffer; |
| 211 | Charge Transfer Between Two-Dimensional Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, we proposed a microscopic model in one-dimension in order to study the dynamics of electrons between atomic chains [M. Willatzen, L. C. Lew Yan Voon, and Z.-L. |
Lok Lew Yan Voon ; Morten Willatzen ; Zhong-Lin Wang; |
| 212 | Crystal Symmetry Protected Gapless Vortex Line Phases in Superconducting Dirac Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we present a general scheme to classify possible gapless vortex line phases in s-wave superconducting states of Dirac semimetals with rotation (or screw) symmetry and inversion symmetry, assuming that the rotation (screw) axis is parallel to the vortex line. |
Shingo Kobayashi ; Shuntaro Sumita ; Motoaki Hirayama ; Akira Furusaki; |
| 213 | Symmetry Principles for Phase-Sensitive Probes of Monopole Superconducting Order Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the potential identification of the exotic pairing order based on a set of phase-sensitive Josephson junctions. |
Grayson Frazier ; Junyi Zhang ; Junjia Zhang ; Yi Li; |
| 214 | First- and Second-order Topological Phases in A Superconducting Multiorbital Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the topological phases that appear in an orbital version of the Benalcazar-Bernevig-Hughes (BBH) model in the presence of conventional $s$-wave spin-singlet superconductivity and an in-plane magnetic field. |
Rodrigo Arouca ; Tanay Nag ; Annica Black-Schaffer; |
| 215 | Quasicrystalline Weyl Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nevertheless, we show that Weyl superconductivity can be realized in quasicrystalline layers stacked periodically. |
Ryo Okugawa ; Masahiro Hori ; K. Tanaka ; Takami Tohyama; |
| 216 | Symmetry-protected Vortex Phase Transitions and Anisotropic Magnetic Response in Superconducting Topological Crystalline Insulator SnTe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that if a magnetic glide symmetry G T is broken, the vortex may feature only a single MZM between vortex phase transitions. |
Chun Yu Wan ; Yujun Zhao ; Yaoyi Li ; Jinfeng Jia ; Junwei Liu; |
| 217 | Nodal Topological Superconductivity in Nodal-line Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze possible nodal superconducting phases that emerge from a doped nodal-line semimetal. |
Zhenfei Wu ; Yuxuan Wang; |
| 218 | Superfluid Weight in Chern Bands Under A Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the superfluid weight for Cooper pairs formed from Landau levels (LLs), which are flat and have non-trivial quantum geometry, using self-consistent mean-field theory. |
Jonathan Schirmer ; Jainendra Jain ; Chaoxing Liu ; Enrico Rossi; |
| 219 | Topological Nodal Quasiparticles from The Vortex Lattice of S-wave Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we focus on electronic properties of the vortex lattice for three-dimensional (3D) fullly gapped superconductors with an isotropic s-wave pairing. |
Songyang Pu ; Ruixing Zhang; |
| 220 | Unveiling The Interplay Between Chiral Quantum Phases and Geometry Fluctuations: The Superfluid Transition on A Membrane Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we investigate the behavior of a chiral superfluid situated on a flexible two-dimensional membrane. |
Gabriel Cardoso ; Qing-Dong Jiang; |
| 221 | Title: Stabilizing Topological Superconductivity in Disordered Spin-Orbit Coupled Semiconductor-Superconductor Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We theoretically consider the problem of one-dimensional semiconductor-superconductor (SM and SC) heterostructure with Rashba spin-orbit coupling and a parallel Zeeman field in the presence of short-ranged disorder from random charged impurities. |
Binayyak Roy ; Rimika Jaiswal ; Sumanta Tewari ; Tudor Stanescu; |
| 222 | Quantum Geometry and The Superfluid Weight of A Bose-Einstein Condensate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Of particular importance is the quantum metric at the condensation momentum, which determines quantities such as the speed of sound in a flat band condensate. Here, we study the superfluid weight of a Bose-Einstein condensate within multiband Bogoliubov theory, and show that its geometric part contains contributions related to both the quantum metric at the condensation momentum and the quantum metric integrated over the Brillouin zone. |
Kukka-Emilia Huhtinen ; Matteo Dürrnagel ; Valerio Peri ; Sebastian Huber; |
| 223 | Electric Response of Majorana Fermions in Topological Crystalline Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, the magnetic response provides useful information about the superconducting mechanism. In this talk, we extend the above theory to the case of a double Majorana Kramers pair, which is able to respond to an electric perturbation. |
Yuki Yamazaki ; Ai Yamakage ; Shingo Kobayashi; |
| 224 | Realizing Attractive Interacting Topological Surface Fermions: A Resonating TI- Thin Film Hybrid Platform Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this article, we propose a practical way to realize surface Dirac fermions with tunable attractive interaction between them. |
Saran Vijayan ; Fei Zhou; |
| 225 | Analog Black-hole Creation on The Surface of A Topological Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In extreme cases, the superconductivity can locally be destroyed on the surface, resulting in a vanishing velocity in a "dark spot." We discuss the dynamical process of this "dark spot" creation in analogy to a black hole formation. |
Shriya Hirve ; Arthur Niwazuki ; Matthew Foster ; Justin Wilson; |
| 226 | Controlling Majorana Hybridization in Magnetic Chain-superconductor Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose controlling the hybridization between Majorana zero modes at the ends of magnetic adatom chains on superconductors by an additional magnetic adatom deposited close by. |
Oladunjoye Awoga; |
| 227 | Proximity Effects in AlGaSb/InAs Surface Quantum Wells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate a robust superconducting proximity effect in 24 nm wide AlGaSb/InAs surface quantum wells with sputtered Nb contacts at a temperature of 1.6 K, which has applications towards mesoscopic and topological superconductivity. |
Emma Bergeron ; Francois Sfigakis ; Ahmed Elbaroudy ; Fiona Thompson ; George Nichols ; Yinqiu Shi ; Man Chun Tam ; Zbigniew Wasilewski ; Jonathan Baugh; |
| 228 | Poor Man’s Majoranas and 3-site Chains in A QD-ABS System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This is enabled via the coupling of two quantum dots via an Andreev Bound State in a short proximitized semiconductor. In this talk, we demonstrate that this state itself can also form one of the sites of a Kitaev chain and show that Poor Man’s Majorana bound states arise in this coupled Andreev Bound State – quantum dot system [2]. |
David van Driel ; Nick van Loo ; Francesco Zatelli ; Bart Roovers ; Alberto Bordin ; Greg Mazur ; Tom Dvir ; Jan Cornelis Wolff ; Guanzhong Wang ; Leo Kouwenhoven; |
| 229 | Engineering Majorana Bound States in Coupled Quantum Dots in A Two-dimensional Electron Gas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we realize a two-site Kitaev chain in a two-dimensional electron gas (2DEG) by coupling two quantum dots (QDs) through a region proximitized by a superconductor. We demonstrate systematic control over inter-dot couplings through in-plane rotations of the magnetic field and via electrostatic gating of the proximitized region.This allows us to tune the system to sweet spots in parameter space, where robust correlated zero bias conductance peaks are observed in tunnelling spectroscopy. |
Qingzhen Wang ; Bas Ten Haaf ; A. Mert Bozkurt ; Chun-Xiao Liu ; Ivan Kulesh ; Philip Kim ; Di Xiao ; Candice Thomas ; Michael Manfra ; Tom Dvir ; Michael Wimmer ; Srijit Goswami; |
| 230 | Charge Sensing to Probe The Quasiparticle Poisoning Lifetime of An Andreev Bound State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study a quantum dot coupled to an Andreev bound state (ABS), defined in an InSbAs/Al two-dimensional electron gas. |
Yining Zhang; |
| 231 | Spin Properties of The Chiral Andreev Edge States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this abstract, we investigate the spin properties of the CAES. |
Chun-Chia Chen ; Jordan McCourt ; John Chiles ; Zubair Iftikhar ; Lingfei Zhao ; Kenji Watanabe ; Takashi Taniguchi ; Francois Amet ; Gleb Finkelstein; |
| 232 | Supercurrent Through An Andreev Trimer Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Supercurrent through quantum dots embedded into hybrid superconductor–semiconductor–superconductor Josephson junctions has been widely investigated in the last two decades. … |
Alberto Bordin ; Florian Bennebroek Evertsz ; Gorm Steffensen ; Tom Dvir ; Grzegorz Mazur ; David van Driel ; Nick van Loo ; Guanzhong Wang ; Francesco Zatelli ; Jan Cornelis Wolff ; Alfredo Levy Yeyati ; Leo Kouwenhoven; |
| 233 | Non-local Modulation of Supercurrent in A Quantum-dot Josephson Junction Coupled to A Secondary Quantum Dot Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use a hybrid InSb/Al nanowire to form a quantum-dot Josephson junction coupled to an additional quantum dot via elastic co-tunnelling and crossed Andreev reflection. |
Francesco Zatelli ; Guanzhong Wang ; Thomas Van Caekenberghe ; Alberto Bordin ; Florian Bennebroek Evertsz ; Chunxiao Liu ; Greg Mazur ; Nick van Loo ; David van Driel ; Jan Cornelis Wolff ; Michael Wimmer ; Tom Dvir ; Leo Kouwenhoven; |
| 234 | A Three Site Kitaev Chain in InSb/Al Nanowire Hybrid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present the experimental realization of a three-site Kitaev chain in a QD-SC-QD-SC-QD device. |
Grzegorz Mazur ; Alberto Bordin ; Tom Dvir ; Chunxiao Liu ; Guanzhong Wang ; Francesco Zatelli ; Nick van Loo ; Jan Cornelis Wolff ; Michael Wimmer ; Ghada Badawy ; Sasa Gazibegovic ; Erik P. A. M. Bakkers ; Leo Kouwenhoven; |
| 235 | Flux Control in A Three-site Kitaev Chain in Coupled Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The study provides important insights for controlling longer Kitaev chains, providing a step forward towards integrating robust MBS-based qubits. |
Sebastiaan ten Haaf ; Qingzhen Wang ; Yining Zhang ; Ivan Kulesh ; Christian Prosko ; Di Xiao ; Candice Thomas ; Michael Manfra ; Srijit Goswami; |
| 236 | YSR Bond Qubit in A Double Quantum Dot with CQED Operation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I propose to embed a DQD Josephson junction in parallel with a transmon to facilitate full cQED measurements and operation of a YSR bond qubit. |
Gorm Steffensen ; Alfredo Levy Yeyati; |
| 237 | Robust 1D Proximity Supercondcutivity Along Graphene Domain Walls in Quantizing Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show that domain walls in minimally twisted bilayer graphene support robust proximity superconductivity in quantizing fields, allowing junctions with steady (non-oscillatory) critical currents over a several Tesla range approaching the upper critical field. |
Julien Barrier ; Na Xin ; Minsoo Kim ; Roshan Krishna Kumar ; Piranavan Kumaravadivel ; Lee Hague ; Alexey Berdyugin ; Christian Moulsdale ; Vladimir Enaldiev ; Irina Grigorieva ; Leonid Glazman ; Jonathan Prance ; Vladimir Falko ; Andre Geim; |
| 238 | Topological Andreev Bands in Three-terminal Graphene Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we investigate the artificial topological band structure of three-terminal graphene Josephson junctions by using tunneling spectroscopy. |
Woochan Jung ; Seyoung Jin ; Sein Park ; Takashi Taniguchi ; Kenji Watanabe ; Gil Young Cho ; Gil-Ho Lee; |
| 239 | High Pressure Equation of State and Phase Behavior of YbHx Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Hydride compounds are the subject of much investigation due to their relatively high superconducting temperatures, and nanoscale forms of materials are known to have different phase expression relative to their bulk counterparts. Therefore, we investigate whether a superhydride can be formed in ytterbium hydride nanoparticles. |
Timothy Elmslie ; Nicholas Porcellino ; Christopher Pakhanyan ; Mohana Shivanna ; Sakun Duwal ; Catalin Spataru ; Rachel Lindvall ; Vitalie Stavila ; Peter Sharma ; Joseph Teprovich; |
| 240 | Partial Levitation, Type-II-superconductor Characteristic, at Room Temperature and Atmospheric Pressure in PCPOSOS Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will show two videos of levitations and two videos of magnets. |
Hyun-Tak Kim ; Sukbae Lee ; Sungyeon Im ; SooMin An ; Keun Ho Auh; |
| 241 | Pressure-induced Superconductivity in Bi-layer Nickelate La3Ni2O7+δ Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The recent report of pressure-induced superconductivity in the La 3Ni 2O 7 has garnered considerable attention, where the superconducting transition temperature ( T c) is reported … |
Ueki Yuta ; Hiroya Sakurai ; Hibiki Nagata ; Ryo Matsumoto ; Kensei Terashima ; Hirose Keisuke ; Hiroto Ohta ; Masaki Kato ; Yoshihiko Takano; |
| 242 | Pressure Evolution of Crystal Structure, Magnetism, and Electrical Resistivity in Bilayer and Trilayer Nickelates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our investigation, including the magnetization and electrical resistivity measurements. |
Haozhe Wang ; Mingyu Xu ; Xinglong Chen ; Hong Zheng ; shuyuan huyan ; Danrui Ni ; Ran Gao ; Sergey Bud’ko ; Jie Li ; Paul Canfield ; Robert Cava ; J. Mitchell ; Weiwei Xie; |
| 243 | Replication and Study of Anomalies in LK-99, The Alleged Ambient-pressure, Room-temperature Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The ultimate goal in the superconductivity field is to find a way to retain a coherent quantum state under ambient conditions, i.e., room temperature of ~ 300 K and atmospheric pressure. We have studied LK-99 [Pb 10-x Cu x(PO 4) 6O], alleged by Lee et al. to exhibit superconductivity at room temperature and ambient pressure, and have reproduced all the anomalies except for half-levitation they reported as evidence for the claim of LK-99 being an ambient-pressure, room-temperature superconductor. |
Thacien Habamahoro ; Trevor Bontke ; Meiraba Chirom ; Zheng Wu ; Jiming Bao ; Liangzi Deng ; Paul C. W. Chu; |
| 244 | Strain Effects and Structural Correlation in Paraelectric Tellurides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we combine diffuse X-ray scattering, charge transport, and NMR measurements to probe the effects of elastic/plastic strain on structural correlations, quantum paraelectricity, and superconductivity in tellurides. |
Xing He ; Issam Khayr ; Damjan Pelc ; Martin Greven ; Bruno Gudac ; Suchismita Sarker; |
| 245 | Analysis on Unconventional Superconductivity in La3Ni2O7 and La4Ni3O10 Under High Pressure: Theory Vs. Experiment Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present study, we construct a four-orbital (d 3z2-r 2 +d x2-y2, x 2) model of La 3Ni 2O 7 under high pressure through DFT calculations and Wannierization, and apply FLEX to study superconductivity [3]. |
Kazuhiko Kuroki ; Hirofumi Sakakibara ; Masayuki Ochi; |
| 246 | Possibility of Superconductivity in A Trilayer Ruddlesden-Popper Nickelate La4N3O10-δ Under High Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We used diamond anvil cell with boron-doped diamond electrodes designed for four-terminal resistance measurement under high pressure [3]. |
Hibiki Nagata ; Hiroya Sakurai ; Yuta Ueki ; Ryo Matsumoto ; Kensei Terashima ; Keisuke Hirose ; Hiroto Ohta ; Masaki Kato ; Yoshihiko Takano; |
| 247 | Superconductivity Induced By Hole-doping in The Nodal-line Semimetal NaAlGe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we investigated hole-doping effects on the ground state of the solid solution Na(Al 1–xZn x)Ge by electrical resistivity, magnetic susceptibility, and heat capacity measurements. |
Toshiya Ikenobe ; Takahiro Yamada ; Daigorou Hirai ; Hisanori Yamane ; Zenji Hiroi; |
| 248 | Probing The Superconductivity of Kagome Metal CsV3Sb5 with Self-field Critical Current Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that our I c,sf data can be understood when considering a single s-wave gap. |
Swee Goh ; Wei Zhang ; Xinyou Liu ; Lingfei Wang ; Chun Wai TSANG ; Zheyu Wang ; Siu Tung Lam ; Wenyan Wang ; Jianyu Xie ; Xuefeng Zhou ; Yusheng Zhao ; Shanmin Wang ; Jeff Lewis Tallon ; Kwing To Lai; |
| 249 | Structural Routes to Stabilize Superconducting La3Ni2O7 at Ambient Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using Density functional theory-based structural relaxations, we have explored how the crystal structure of La 3Ni 2O 7 responds to external tuning parameters, such as uniaxial and biaxial strain [2]. |
Luke Rhodes ; Peter Wahl; |
| 250 | Bandgap and Raman Signature of Undoped and Cu-doped Lead Phosphate Apatite Pb10(PO4)6O Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Despite these efforts, the basic properties of LK-99 and its parent compound Pb 10(PO 4) 6O are still missing. Here we first synthesized Pb 10(PO 4) 6O, and obtained its Raman spectrum and electronic bandgap using UV-Vis spectroscopy, confirming that Pb 10(PO 4) 6O is a wide bandgap insulator. |
Feng Lin ; Thacien Habamahoro ; Meiraba Chirom ; Chengzhen Qin ; Hong Zhong ; Fancisco C. Robles Hernandez ; Viktor Hadjiev ; C. W. Chu ; Liangzi Deng ; Jiming Bao; |
| 251 | New Pressure Induced Superconductor Sn3S4 Using Original Diamond Anvil Cell Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have successfully discovered new superconductor Sn3S4 by transport measurements under high pressure using the newly developed original diamond anvil cell (DAC) with electrode and heater made of boron doped diamond thin films. |
Yoshihiko Takano ; Ryo Matsumoto; |
| 252 | Characterization and Strain Measurements of The Half-Heusler Superconductors YPtBi and LaPtBi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report initial charge transport and nonlinear magnetic response measurements of electronic properties, as well as the effect of strain on the superconducting transition. |
James Payne ; Sudarshan Sharma ; Dinesh Shukla ; Damjan Pelc ; Martin Greven; |
| 253 | Mitigating Mn-Bi Antisite Pair Defect Formation in MnBi2Te4: The Role of Doping Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the low antisite pair defect formation energy between the Mn and Bi sites is detrimental to these properties as it alters the long range magnetic ordering in the Mn layer. For this end, we utilized a fisr principles based screening approach to understand the role of impurities in Mn and Bi sites to destabilize the Mn-Bi antisite pair defect formation energy. |
Kayahan Saritas ; Mina Yoon ; Jaron Krogel ; Fernando Reboredo; |
| 254 | First-principles Study on Spin-Dependent Surface State in MnBi2Te4 with Antisite Defects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Finally, a comprehensive analysis is carried out to explore the topological crystalline insulator properties of the system, including spin textures and the low-energy effective Hamiltonian, in order to unveil their inherent characteristics. This investigation provides valuable insights for further research on MBT and its potential applications in the field of spintronics. |
Dameul Jeong ; Young-Kyun Kwon ; Mina Yoon ; Sangmin Lee; |
| 255 | Magnetotransport on Quantum Spin Hall Edge Coupled to Bulk Midgap States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider magnetotransport on a helical edge of a quantum spin Hall insulator, in the presence of bulk midgap states side coupled to the edge. |
Youjian Chen ; Wenjin Zhao ; Elliott Runburg ; David Cobden ; Dmytro Pesin; |
| 256 | Point-gap Bound States in Non-Hermitian Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we systematically investigate impurity-induced bound states in one-dimensional non-Hermitian systems. |
Zixi Fang; |
| 257 | Point-gap Bound States in Higher-dimensional Non-Hermitian Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The non-Hermitian skin effect exerts a unique influence on impurity-induced bound states in one dimension, including the presence of a non-zero threshold of impurity strength and … |
Ao Yang; |
| 258 | Higher-order Topological Point State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Strikingly, we discover the existence of inner topological point states (TPS) in a 2D HOTI, as the embedded "end" states of 1D first-order TI, as exemplified by those located at the vacancies in a Kekulé lattice. |
Xiaoyin Li ; Feng Liu; |
| 259 | Absence of Localization in Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper we point out that, unlike ordinary metals, at least some topological semimetals are immune to localization, as long as their topological response is kept fixed. We present several physical arguments, based on decorated domain wall constructions, as well as Keldysh nonlinear sigma model, to back up this claim. |
Anton Burkov ; Jinmin Yi ; Chong Wang; |
| 260 | Robustness of Topological Order Against Disorder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A universal topological marker has been proposed recently to map the topological invariant of Dirac models in any dimension and symmetry class to lattice sites. Using this topological marker, we examine the conditions under which the global topological order, represented by the average topological marker, remains unchanged in the presence of disorder for 1D, 2D and 3D systems. |
Lucas Oliveira ; Wei Chen; |
| 261 | Using Symmetry of Topological Defects to Find Emergent Quantum States in 2D Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus by controlling the symmetries of these defects, we can control their quantum properties, such as by altering topological invariants of topological insulators. In this talk, I will discuss how we developed a framework to categorize the possible symmetry groups of these defects in two-dimensional materials. |
Bernard Field ; Sinéad Griffin; |
| 262 | Electronic Properties Near Extended Defects in Topological Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Even though it is naively expected that topologically protected states are insensitive to disorder, in three-dimensional systems extended defects can significantly affect the local and transport properties usually assigned to topological states. We focus on line defects on topological insulator surfaces and planar defects in Weyl semimetals, which commonly occur in these systems. |
Eklavya Thareja ; Jacob Gayles ; Ilya Vekhter; |
| 263 | Condensation Completion and Gapped Boundaries of 2+1D Topological Orders Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: For a 2+1D topological order, it’s known that all the point-like defects in it form a modular tensor category (MTC) C. If we further consider codimension-1 and higher defects, … |
Gen YUE ; Tian Lan ; Longye Wang; |
| 264 | Semiconductor Physics in A 2D Metal: Atomlike Defect States and Anderson Localization in An Air-Stable Van Der Waals Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Spectroscopic imaging STM (SI-STM) allows the characterization of these states above E f via quasiparticle interference (QPI). We describe the interpretation of QPI measurements in this compound in terms of the known single-particle band structure from density functional calculations. |
Morgan Thinel ; Asish Kundu ; Simon Turkel ; Nicholas Olsen ; Zhihao Cui ; Christie Koay ; Daniel Chica ; Alexandru Bogdan Georgescu ; Xavier Roy ; David Reichman ; Xiaoyang Zhu ; Abhay Pasupathy; |
| 265 | Topological Broadband Receiver Protectors Based on High-Order Degeneracies Enabled By Hidden Symmetries Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have theoretically constructed a class of one-dimensional coupled resonator microwave waveguides by coupling two single-defect SSH chains; one of which is nonlinear. |
William Tuxbury; |
| 266 | Optical Conductivity of High-entropy Alloys Based on BaMnSb2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present optical reflectance of BaMnSb 2, alloyed at the Ba-site with Ca, Eu and Yb, at various individual concentrations. |
Catalin Martin ; Suraj Neupane ; Agrim Gupta ; Subin Mali ; Antu Laha ; Zhiqiang Mao; |
| 267 | The Emergence of State Collapse and Thermalization in The Geometric Quantum State of Two Sites in An Extended Hubbard Chain Undergoing Unitary Evolution Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we study the GQS of one and two sites of a 1D extended Hubbard model and report the resulting phenomenology. |
Emily Townsend ; Garnett Bryant ; Fabio Anza; |
| 268 | Scrambling and Operator Entanglement in Local Non-Hermitian Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that while OTOCs fail to capture information scrambling in a simple, local, non-Hermitian transverse-field Ising model, the closely related operator entanglement is a robust measure of dynamical properties of interest. |
Brian Barch ; Namit Anand ; Jeffrey Marshall ; Eleanor Rieffel ; Paolo Zanardi; |
| 269 | Information Scrambling in Free Fermion Systems with A Sole Interaction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It is well-established that the presence of single impurity can have a substantial impact on the transport properties of quantum many-body systems at low temperature. In this work, we investigate a close analog of this problem from the perspective of quantum information dynamics. |
Qucheng Gao ; Pengfei Zhang ; Xiao Chen; |
| 270 | Dynamical Information Preservation with Dissipative Time Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that the time-crystalline behaviour observed in the thermodynamic limit of dissipative systems can be utilised to preserve dynamical information. |
Mert Esencan ; Alex Lvovsky ; Berislav Buča; |
| 271 | Scrambling of Algebras in Open Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper, we introduce an algebraic OTOC (A-OTOC) that allows us to study information scrambling of generalized quantum subsystems under quantum channels. |
Namit Anand ; Paolo Zanardi ; Faidon Andreadakis; |
| 272 | Quantum Avalanche on Infinite Ribbon-like Lattice with Disorder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a 2D infinite long ribbon-like disordered electronic system coupled to an electronic bath and the electron-phonon interaction is also considered in the system. |
Xi Chen ; Jong Han; |
| 273 | Avalanche Instability As Nonequilibrium Quantum Criticality Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Analytic theory, supported by numerical calculations, establishes that the quantum avalanche, an abrupt nonequilibrium occupation of excited bands, results from the competition between the collapse of the band minimum via the phonon emission and the dephasing of the electron with the environment. |
Jong Han ; Xi Chen; |
| 274 | Quantum Electrodynamics Under A Quench Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the nonequilibrium regime of quantum electrodynamics following a global quantum quench on the mass of the fermion. |
Ming-Rui Li ; Hong Yao ; Shaokai Jian; |
| 275 | OTOCs Beyond Semiclassics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the interplay of hydrodynamics and quantum chaos by searching for universal properties of OTOCs in systems where hydrodynamics emerges. |
Ruchira Mishra ; Luca Delacretaz; |
| 276 | The Interplay of Finite and Infinite Size Stability in Quadratic Bosonic Lindbladians Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This has been linked to anomalous dynamical phenomena in truncated systems, notably, dynamical metastability – transient amplification preceding asymptotic relaxation, in parameter regimes where the finite-size system is dynamically stable. In this work, we report on the identification of QBLs which host an opposite flavor of dynamical metastability, namely, such QBLs that are dynamically stable in the infinite-size limit, but become unstable under open boundaries, for arbitrary system size. |
Mariam Ughrelidze ; Vincent Flynn ; Emilio Cobanera ; Lorenza Viola; |
| 277 | Simulating Quantum Dynamics in Two-dimensional Lattice with Tensor Network Influence Functional Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This extension is achieved by approximating influence functional tensors as locally separable matrix product states (MPS). |
Gunhee Park ; Garnet Chan; |
| 278 | One Dimensional Free Entanglement Hamiltonians for Off Critical Systems and in The Presence of Defects Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use high precision numerics to directly calculate the entanglement Hamiltonian for the critical and off critical Ising chain in the presence of defects, for connected and disconnected subsystems. |
Gavin Rockwood; |
| 279 | Numerical Reconstruction of Entaglement Hamiltonians Using Matrix Product States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The main contribution of this work is to introduce a way to find nice easy to understand EHs numerically. |
David Rogerson; |
| 280 | Single-Component Superconductivity in UTe2 at Ambient Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use pulse echo ultrasound to measure the elastic moduli of samples of UTe 2 that exhibit both one and two superconducting transitions. |
Florian Theuss ; Avi Shragai ; Gaël Grissonnanche ; Ian Hayes ; Shanta Saha ; Yun Suk Eo ; Alonso Suarez ; TATSUYA SHISHIDOU ; Nicholas Butch ; Johnpierre Paglione ; Brad Ramshaw; |
| 281 | Universal Nodal Behavior in The Thermal Conductivity of Superconducting UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This opens the possibility of topological superconductivity in UTe2 and motivates a careful study of the presence or absence of nodes and their topology/location. In this talk I will present data on the thermal transport of UTe2 in its superconducting state. |
Ian Hayes ; Tristin Metz ; Corey Frank ; Yun Suk Eo ; Shanta Saha ; Nicholas Butch ; Johnpierre Paglione; |
| 282 | Time-reversal Symmetry Breaking in UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Topological superconductivity is a long-sought state of matter in bulk materials, and odd-parity superconductor UTe2 is a prime candidate. Several experiments provide evidence … |
Sean Thomas; |
| 283 | Theory of The Low- and High-field Superconducting Phases of UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recent nuclear magnetic resonance and calorimetric experiments have observed that UTe 2 exhibits a transition between two distinct superconducting phases as a function of magnetic field strength for a field applied along the crystalline b axis. To determine the nature of these phases, we employ a microscopic two-band minimal Hamiltonian with the essential crystal symmetries and structural details. |
Josephine Yu ; Yue YU ; Daniel Agterberg ; Srinivas Raghu; |
| 284 | Fully Gapped Pairing State in Spin-triplet Superconductor UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we determine the superconducting gap structure by the thermal conductivity of ultra-clean UTe 2 single crystals. |
Shota Suetsugu ; Masaki Shimomura ; Masashi Kamimura ; Tomoya Asaba ; Hiroto Asaeda ; Yuki Kosuge ; Yuki Sekino ; Shun Ikemori ; Yuichi Kasahara ; Yuhki Kohsaka ; Minhyea Lee ; Youichi Yanase ; Hironori Sakai ; Petr Opletal ; Yoshifumi Tokiwa ; Yoshinori Haga ; Yuji Matsuda; |
| 285 | Dielectric Relaxation By Quantum Critical Magnons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Quantum magnetism research aims to discover exotic phases of spin matter and quantum phase transitions between them. |
Daniel Flavian Blasco; |
| 286 | Observation of A Quantum Dipole Liquid State in Organic Mott Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe emergent charge degrees of freedom in a molecule-based triangular lattice Mott insulator κ-(BEDT-TTF) 2Hg(SCN) 2Br, resulting in a quantum dipole liquid state and exotic magnetic properties. |
Natalia Drichko ; Nora Hassan ; Shiori Sugiura ; Minoru Yamashita ; Jesse Liebman ; Chisa Hotta ; Shinya Uji; |
| 287 | Correlated Electrons in Polar Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk I will discuss the potential of electrons in polar metals to realize interaction-driven behaviors such as strange metallicity [1], dilute superconductivity [2] or collective modes [3]. |
Pavel Volkov; |
| 288 | Unconventional Ferroelectricity in Moiré Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk I will review some of the recent advances in the field, focusing on the discovery of different types of unconventional ferroelectricity in novel moiré heterostructuresnewest. |
Pablo Jarillo-Herrero; |
| 289 | Criticality in Quantum Ferroelectric Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: At the same time, they constitute an extremely promising platform for future quantum applications. I will describe a recent theoretical attempt to describe the ferroelectric quantum critical point in such systems, and share some insights about what makes the ferroelectric transition unique in the landscape of symmetry-breaking phenomena in correlated electron systems. |
Avraham Klein; |
| 290 | High-Entropy Oxides: Multifunctionality Enabled Through Chemical Disorder Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Entropy engineering offers access to a vast, unexplored materials discovery space by utilizing configurational entropy as a thermodynamic driver towards new multicomponent … |
Susan Sinnott ; Jacob Sivak ; Mary Kate Caucci ; Billy Yang ; Saeed Almishal ; Yueze Tan ; Sai Venkata Gayathri Ayyagari ; Christina Rost ; Nasim Alem ; Long-Qing Chen ; Ismaila Dabo ; Jon-Paul Maria; |
| 291 | High-entropy Alloy and Intermetallic Design By Super-Cell Random Approximates (SCRAPs) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Structural models of high-entropy alloys with specific short-range order were developed through a highly accelerated hybrid Cuckoo Search – an evolutionary algorithm that combines Levi flights for global searches with Monte Carlo for local searches [ Nat. |
Dhruv Raturi ; Prashant Singh ; Kirill Kovnir ; Duane D. Johnson; |
| 292 | Mixed Enthalpy-Entropy Descriptor Guided Discovery of 2D High-Entropy Chalcogenides for Energy Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, the MEED has been used to screen the materials space of 2D chalcogenides of metals (Hf, Nb, Mo, Ta, Ti, V, W, and Zr) in the 2H, 1T, and 1T’ phases, comprising four, five, and six principal metal elements. |
Dibyendu Dey ; Nuzhat Maisha ; Biswajit Ball ; Liangbo Liang ; Michael Zachman ; Yingchao Yang ; Liping Yu; |
| 293 | Discovery of New Clathrates By Computational Screening, and Directed Synthesis Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we combine Zintl compositional predictions, high-throughput density functional theory calculations, and machine learning to screen several thousands of compositions of III-V and II-VI type-I clathrate frames, mixed with transition metals, to identify stability trends and families of potentially stable compounds. |
Davide Donadio ; Franklin Cerasoli ; Kirill Kovnir; |
| 294 | Martensitic Phase Transitions in Complex NiTi-Based Shape Memory Alloys from First-Principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will address various techniques developed to overcome the difficulty encountered in studying ternaries and off-stoichiometric binaries associated with disorder and/or much lowered symmetry. |
Zhigang Wu ; Othmane Benafan ; John Lawson ; Hessam Malmir; |
| 295 | Redox Properties of Transition Metal Oxides NiO2 and CoO2 from A Defect Perspective Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, I will present our study on the redox properties of two layered transition metal oxides NiO 2 and CoO 2. |
Raj Sah ; Michael Zdilla ; Eric Borguet ; John P. Perdew; |
| 296 | Machine Learning Based Computational Methods to Analyze Structural Characterization in Soft Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, it is useful to have machine learning models that can be trained on paired structural characterization data from multiple techniques (easy and difficult to interpret, fast and slow in data collection or sample preparation), so that the model can generate one set of characterization data from the other. In this talk I will discuss one such machine learning model called PairVAE that pairs small angle scattering results (i.e., information about bulk morphology) and electron microscopy images (i.e., information about two-dimensional local structure). |
Arthi Jayaraman; |
| 297 | High-throughput Virtual Screening for High Thermal Conductivity Polymer Crystals Using First-principles Calculation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, a data-driven approach for finding the high thermal conductivity polymer crystals has been proposed. |
Rohit Dahule ; Kenji Oqmhula ; Ryo Maezono ; Kenta Hongo; |
| 298 | Reproducible Workflows for Verification and Optimization of Solid-state Pseudopotentials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Optimization is even harder: every iteration requires this verification step, further increasing the number of calculations needed. We address this issue by developing a toolkit based on the AiiDA [1] workflow engine and the AiiDAlab [2] interface to automate and streamline the verification and optimization of PPs. |
Jusong Yu ; Nicola Marzari ; Giovanni Pizzi; |
| 299 | Thermodynamic and Electronic Properties of Semiconducting High-Entropy Halide Perovskites Materials Through First-Principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we employ density functional theory (DFT) calculations to investigate the formation enthalpy and electronic band structure of high-entropy halide perovskites designed on the cubic vacancy-ordered double-perovskite structure Cs 2MCl 6 (M=Zr 4+, Sn 4+, Te 4+, Hf 4+, Re 4+, Os 4+, Ir 4+ or Pt 4+). |
Zekun Wu ; Yuxuan Wang ; Emmanouil Kioupakis; |
| 300 | Decomposition of Response Tensors for Materials Design Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a general group and representation theory guided first principles approach to study phase transitions and order parameters in crystalline solids, and their signatures in response tensors. |
Turan Birol; |
| 301 | FluxGAN: A Physics-Aware Generative Adversarial Network Model for Discovery of Microstructures That Maintain Target Heat Flux Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a new physics-aware FluxGAN model that simultaneously generates high-quality microstructural images and high-resolution description of thermal properties. |
Sanghamitra Neogi ; Artem Pimachev ; Manoj Settipalli; |
| 302 | Discovery and Prediction of Multiphase Nanoparticle Interface Morphologies Using A Monte Carlo Potts Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We subsequently present the calculated interface morphology boundaries between biphase nanoparticles as well as some previously unreported triphase nanoparticle interface morphologies. |
Elodie Sandraz ; Christopher Wolverton; |
| 303 | Design of Novel Metal Organic Chalcogenolates Via High-Throughput Crystal Structure Generation and Density Functional Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a high-throughput workflow for novel MOChas by (i) systematically generating inorganic crystal structures via Ab Initio random structure searching, (ii) matching hypothetical combinations of inorganic structures, organic ligands, and corresponding stacking patterns, and (iii) evaluating their structural feasibility with DFT. |
Adriana Ladera ; Aria Mansouri Tehrani ; Tess Smidt; |
| 304 | A General Machine Learning Force Field for Structure Prediction of 2D Organic-Inorganic Perovskites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present an accurate, efficient and widely applicable machine learning interatomic potential (MLIP) for predicting the structures of new 2D HOIPs. |
Nima Karimitari ; William Baldwin ; Gabor Csanyi ; Christopher Sutton; |
| 305 | Data-mining and High-throughput Approaches to Predict Novel Perovskite Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present first-principles-based theoretical high throughput workflows accounting systematic data-mining schemes to predict synthesizable perovskite structure candidates. |
FARHA NAAZ ; D. L. V. K. PRASAD; |
| 306 | High-throughput Wannierizations and Screening of Novel Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Maximally localized Wannier functions (MLWFs) are widely used in computational condensed matter physics and materials science. We recently developed some very effective automated … |
Junfeng Qiao ; Giovanni Pizzi ; Nicola Marzari; |
| 307 | High Throughput Simulations of Monovalent Cation Selectivity in Nanoporous Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a high-throughput molecular simulations approach for determining ion selectivity. |
Naomi Trampe ; Salman bin Kashif ; J. Ilja Siepmann ; Sapna Sarupria; |
| 308 | Theory Guided Design of Wide-bandgap Semiconductors for The Next Generation of Quantum Devices: Diamond, Silicon Carbide and Beyond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a strategy for a systematic exploration of the vast area of alternative point defects with high potential for the next generation quantum technologies. |
Igor A. Abrikosov; |
| 309 | Automated Workflow for High-Throughput Calculations of Band Gaps with A Wannier-localized Optimally-Tuned Screened Range-Separated Hybrid Functional Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, this procedure requires multiple computations to determine the nonempirical parameters. Here, we present an automated workflow, within the Atomate2 framework, that streamlines the tuning procedure, minimizing user input and the number of calculations needed and enabling this functional to be applied to a wider range of materials. |
Francesco Ricci ; Stephen Gant ; Francisca Sagredo ; Sijia Ke ; Guy Ohad ; Leoor Kronik ; Jeffrey Neaton; |
| 310 | Preferential Cyber Defense for Power Grids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Due to the complexity of modern power grids, exploiting machine learning is desired for developing optimal preferential cybersecurity defense strategies, where choosing a suitable mathematical framework to describe the preference satisfaction and articulating a specific machine-learning method are key. |
Mohammadamin Moradi ; Yang Weng ; Ying-Cheng Lai; |
| 311 | Role of Oxide Support in Stabilizing Ag Single Atom Catalyst and Subsequent NH3 Adsorption Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results of density functional theory-based calculations, including the Hubbard parameter U for Ce and Zr, that trace the catalytic activity of the Ag SAC supported on ceria and zirconia ease of O vacancy formation on the support. |
Syeda sherazi ; Duy Le ; Talat Rahman; |
| 312 | Scalable Differentiable Programming Via Trajectory Reweighting Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In future work, we aim to extend this method to non-equilibrium settings and further validate it in experimentally-relevant systems. |
Ryan Krueger ; Megan Engel ; Chrisy Xiyu Du ; Michael Brenner; |
| 313 | Z2 Spin Liquids in The Higher Spin Kitaev Honeycomb Model: An Exact Z2 Gauge Structure in A Non-integrable Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present their exact gauge structure by introducing a Majorana parton construction for a general spin-S. |
Han Ma; |
| 314 | Quasicrystalline Spin Liquid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present an exactly solvable Kitaev spin liquid on a tri-coordinated QC. |
Sunghoon Kim ; Mohammad Saad ; Dan Mao ; Adhip Agarwala ; Debanjan Chowdhury; |
| 315 | Synchrotron IXS Study of Phonon Excitations in Van Der Waals Honeycomb Ferromagnet CrGeTe3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we experimentally investigated the phonon excitations in the vdW honeycomb ferromagnet CrGeTe 3 where robust 2D magnetism as well as strong spin-lattice coupling have previously been reported. |
Jae-Ho Chung ; Kwangwoo Shin ; Lebing Chen ; Hiroshi Fukui ; Taishun Manjo ; Robert Birgeneau ; Pengcheng Dai; |
| 316 | What Is The Origin of The Intermediate-temperature Magnetic Specific Heat Capacity in The Spin-liquid Candidate Ca10Cr7O28? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present several approximate calculations of the specific heat capacity of the model for Ca 10Cr 7O 28 proposed by Balz et al. [ Phys. |
Christopher Hooley ; Joe Crossley; |
| 317 | Correlation Driven Magnetic Frustration and Insulating Behavior of TiF3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the halide perovskite TiF 3, renowned for its intricate interplay between structure, electronic correlations, magnetism, and thermal expansion. |
R. Matthias Geilhufe ; GAYANATH FERNANDO ; Donal Sheets ; Arthur Ernst ; Jason Hancock; |
| 318 | High-field Spin Dynamics in Kitaev Quantum Spin Liquid Candidate Α-RuCl3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the evolution of the high and low-energy magnetic excitations across the 7 T through 12 T regime in paradigmatic Kitaev spin liquid candidate a-RuCl3. |
Kiranmayi Dixit ; Stephen Nagler ; Christian Balz ; Colin Sarkis ; Paula Lampen-Kelly ; Arjun Unnikrishnan ; Barry Winn ; Jiaqiang Yan ; Arnab Banerjee; |
| 319 | Probing Majorana Wavefunctions in Kitaev Honeycomb Spin Liquids with Second-order Two-dimensional Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It thus promises to identify unique signatures of spin liquid states in quantum magnets by directly probing the properties of their exotic fractionalized excitations. Here, we calculate the second-order 2DCS of the Kitaev honeycomb model and demonstrate that distinct spin liquid fingerprints appear already in this lowest-order nonlinear response χ (2) yzx(ω 1,ω 2) when using crossed light polarizations. |
Yihua Qiang ; Victor Quito ; Thais Trevisan ; Peter Orth; |
| 320 | Van Der Waals Epitaxy of Layered Ferromagnet Cr2Ge2Te6 and Its Heterostructure with Topological Insulator (Bi,Sb)2Te3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report the van der Waals epitaxy of CGT on (Bi,Sb) 2Te 3 (BST)/sapphire using molecular beam epitaxy. |
Ko-Hsuan Chen ; Hsuan-Ning Chen ; Wei-Nien Chen ; Jui-Min Chia ; Chia-Hung Hsu ; Shang-Fan Lee ; Minghwei Hong ; Jueinai Kwo; |
| 321 | Schwinger Boson Symmetric Spin Liquids of Shastry-Sutherland Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Motivated by recent experimental and numerical evidences of deconfined quantum critical point and quantum spin-liquid states in spin-1/2 Heisenberg model on Shastry-Sutherland lattice, we studied possible symmetric spin liquid states and their proximate ordered states under Schwinger boson formalism. |
Fa Wang; |
| 322 | Lieb-Schultz-Mattis Constraints in 3D: Application to The Pyrochlore and The Diamond Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The principles and calculation methods presented in this work can be applied to all 3D lattice magnets. |
Chunxiao Liu ; Weicheng Ye; |
| 323 | Electromagnetic Signatures of A Chiral Quantum Spin Liquid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, definitive experimental evidence remains elusive. In light of the recent surge in theoretical and experimental interest in the half-filled Hubbard model on a triangular lattice, which offers the potential for stabilizing a chiral QSL, we investigate the electromagnetic signatures of this phase to facilitate experimental detection. |
Saikat Banerjee ; Wei Zhu ; Shizeng Lin; |
| 324 | Thickness Dependence of The Anomalous and Topological Hall Effects in Layered Fe3GaTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the properties of mechanically exfoliated Fe3GaTe2 grown via a chemical vapor transport (CVT) method whose thickness was determined via atomic force microscopy. |
Lingrui Mei ; Alex Moon ; Yue Li ; Sang-Eon Lee ; Kice Brown ; Gregory McCandless ; Julia Chan ; Charudatta Phatak ; Vadym Kulichenko ; Luis Balicas; |
| 325 | Machine Learning Force-field Model for Phase Separation Dynamics in Jahn-Teller Models for Manganites Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a scalable machine learning (ML) force-field model to explore the large-scale dynamics of Jahn-Teller coupling between the electronic e g orbitals and the molecular tetrahedral distortions in manganites. |
Supriyo Ghosh ; Sheng Zhang ; Chen Cheng ; Gia-Wei Chern; |
| 326 | 2D MPS-DMRG: Quantum Dimer Model on A Two-dimensional Quasicrystal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present an overview of ordered phases, phase transitions, entanglement entropy, and onsite and long-range correlations. |
Shobhna Singh; |
| 327 | Three-body Fermi-liquid Effects on Transport Through The U=∞ Anderson Impurity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the impact of three-body Fermi-liquid corrections on the transport through an Anderson model with N degenerate levels. |
Kaiji Motoyama ; Kazuhiko Tsutsumi ; Yoshimichi Teratani ; Rui Sakano ; Akira Oguri; |
| 328 | Unbiased Fluctuation Diagnostics of The Self-energy: Pseudogap Physics Beyond Spin Fluctuations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce and apply an unambiguous decomposition of the electronic self-energy, which allows us to quantify the contribution of various effective interactions simultaneously. |
Friedrich Krien ; Yang Yu ; SERGEI ISKAKOV ; Emanuel Gull ; Karsten Held; |
| 329 | Perturbative Solution of Fermionic Sign Problem in Lattice Quantum Monte Carlo: A Cuprate Case Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed a strong coupling perturbation scheme for general Hubbard model around half-field particle-hole symmetric reference system. |
Alexander Lichtenstein ; Sergey Iskakov ; Evgenу Stepanov ; Mikhail Katsnelson; |
| 330 | Diagrammatic Analysis of Anderson’s Orthogonality Catastrophe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The study of the Fermi-edge singularity in x-ray absorption spectra of metals is a paradigmatic fermionic model, which exhibits logarithmic divergences in perturbation theory. |
Marcel Gievers; |
| 331 | Active Orbital Degree of Freedom and Potential Spin-orbit-entangled Moments in The Kitaev Magnet Candidate BaCo2(AsO4)2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we obtain high-accuracy crystal and electronic structure of BaCo 2(AsO 4) 2 by employing combined density-functional and dynamical mean-field theory calculations, which correctly capture the Mott-insulating nature of the target system. |
Subhasis Samanta ; Panyalak Detrattanawichai ; Sutassana Na-Phattalung ; Heung-Sik Kim; |
| 332 | Electronic Phase Diagram of Body-centered Cubic Structured Alkali-doped Fulleride Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Finaly, we construct the global phase diagram in temperature and C$^{3-}_{60}$ molecular volume parameter space. |
Theja DeSilva; |
| 333 | Comparing The Electronic States of UGe2 and UTe2 Using Relativistic Quantum Embedding Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Abstract We show that electronic states of UGe2 can be matched to those of UTe2 by scaling volume, motivating the formation of a unified phase diagram for the two materials. |
Ran Adler ; Corey Melnick ; Gabriel Kotliar; |
| 334 | Multiboson Exchange Embedding for The Hubbard Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a novel quantum-embedding approach based on the single-boson exchange (SBE) decomposition of the parquet equations. |
Dominik Kiese ; Nils Wentzell ; Olivier Parcollet ; Karsten Held ; Friedrich Krien; |
| 335 | Topological Excitations and Postnikov Data Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This information is contained in the so-called "Postnikov data." In this talk, we will show how "homotopy types" can be used to understand subtle information about classical topological excitations and its implications symmetry broken quantum topological order. |
Kyle Kawagoe ; Yuan-Ming Lu; |
| 336 | Coarsening Dynamics of Charge Density Waves in Holstein-Hubbard Model: Machine Learning Enabled Large-scale Dynamical Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a machine learning (ML) force-field model to enable large-scale adiabatic dynamical simulations of the Holstein-Hubbard model on a square lattice. |
Gia-Wei Chern ; Chen Cheng ; Yang Yang; |
| 337 | Voltage-controlled Dynamics of Metal-to-insulator Phase Transition in La0.67 Sr0.33MnO3 Thin Films Exploiting Negative Differential Resistance Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on a new approach using the intrinsic metal-to-insulator coupled transition in La 0.67Sr 0.33MnO 3 without the requirement of a structural transition. |
Azminul Jaman ; Tamalika Banerjee; |
| 338 | Composite Fermi Liquid at Zero Magnetic Field in Twisted MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the topological valence band at half filling, using exact diagonalization and density matrix renormalization group calculations. |
Junkai Dong ; Jie Wang ; Patrick Ledwith ; Ashvin Vishwanath ; Daniel Parker; |
| 339 | Ferromagnetism and Heavy Fermi Liquid in MoTe$_2$/WSe$_2$ Bilayer: The Kondo Lattice Model and Beyond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a phase diagram for the Kondo model, which is supported by an infinite density matrix renormalization group (iDMRG) simulation of the appropriate Kondo lattice model. |
Zhihuan Dong ; Yahui Zhang ; Senthil Todadri; |
| 340 | Engineering Super Moiré Effects in Transition Metal Dichalcogenides from First-principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work establishes twisted few-layer TMD as a new platform to discover novel topology and correlations. |
Yueyao Fan ; Yusen Ye ; Xiaowei Zhang ; Chong Wang ; Di Xiao ; Ting Cao; |
| 341 | Low-temperature Thermal Transport in Moiré Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We calculate the thermal conductivity of various twisted bilayer systems using a continuum approach and the semiclassical transport theory. |
Lukas P. A. Krisna ; Takuto Kawakami ; Mikito Koshino; |
| 342 | Oral: Quadrupolar Excitons and Hybridized Interlayer Mott Insulator in A Trilayer Moiré Superlattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present a new excitonic state, interlayer quadrupolar exciton in an angle-aligned symmetric WSe 2/WS 2/WSe 2 trilayer heterojunction. |
Lei Ma ; Zhen Lian ; Dongxue Chen ; Yuze Meng ; Ying Su ; Li Yan ; Xiong Huang ; Qiran Wu ; Xinyue Chen ; Mark Blei ; Takashi Taniguchi ; Kenji Watanabe ; Sefaattin Tongay ; Chuanwei Zhang ; Yongtao Cui ; Sufei Shi; |
| 343 | Nature of Moiré Excitons in Rotationally Aligned and Misaligned MoSe2/WS2 Heterobilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our parameter-free calculations reproduce the splitting of excitonic peaks observed in reflection contrast spectroscopy, and we find excitonic states with diverse spatial characteristics. |
Mit Naik ; Woochang Kim ; Steven Louie; |
| 344 | Symmetric, Off-diagonal, Resistance from Rotational Symmetry Breaking in Graphene-WSe$_2$ Heterostructure: Prediction for A Large Magic Angle in A Moire System Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: We show that any two-dimensional system with a non-zero extit{symmetric} off-diagonal component of the resistance matrix, $R_{xy}=R_{yx} eq 0$, must have the in-plane rotational … |
Jay Sau ; Sumanta Tewari; |
| 345 | Density Matrices and Fractional Incompressible States in Magic-angle Twisted TMD Homobilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The key property that enables fractional incompressible states appears to be the non-trivial spatial structure of the layer-dependent part of the bilayer single particle Hamiltonian that is present in systems in which the valence band maxima are at the K-point. Here we examine the properties of band-projected density matrices in K-valley TMD homobilayers, comparing them with the properties of density matrices projected to the lowest Landau level. |
Jung-Jung Su ; Yung-Chun Chao ; Allan H. MacDonald; |
| 346 | Giant Resistance Switch in Twisted Transition Metal Dichalcogenide Tunnel Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we predict an extremely large resistance switching based on the relative spin-orbit splitting in twisted transition metal dichalcogenide (TMD) monolayers tunnel junctions. |
Marc Vila; |
| 347 | Interaction-driven Topological Phase Diagram of Twisted Bilayer MoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Twisted bilayer MoTe 2 is a promising platform to investigate the interplay between band topology and many-body interaction. We present a theoretical study of its interaction-driven quantum phase diagrams based on a three-orbital model, which can be viewed as a generalization of the Kane-Mele-Hubbard model with one additional orbital and long-range Coulomb repulsion. |
Fengcheng Wu ; Wen-Xuan Qiu ; Bohao Li ; Xun-Jiang Luo; |
| 348 | Kondo Effect and Its Destruction in Hetero-bilayer Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: They open up the potential of a diverse correlation phase diagram, including the Kondo effect and its destruction [1,2]. Here, we assess such physics in AB-stacked hetero-bilayer transition metal dichalcogenide with tunable filling factor and perpendicular displacement field [2]. |
Fang Xie ; Lei Chen ; Qimiao Si; |
| 349 | Metal-insulator Transition in Transition Metal Dichalcogenide Heterobilayer: Accurate Treatment of Interaction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Transition metal dichalcogenide superlattices provide an exciting new platform for exploring and understanding a variety of phases of matter. The moiré continuum Hamiltonian, of two-dimensional jellium in a modulating potential, provides a fundamental model for such systems. |
Yubo Yang ; Miguel Morales ; Shiwei Zhang; |
| 350 | Evolution of Band Topology in Twisted MoTe2 and WSe2 Driven By Polarization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Motivated by recent observations of opposite Chern numbers in twisted MoTe 2 and WSe 2 at integer filling factor, we use large-scale density-functional-theory (DFT) calculations to investigate the twist-angle dependence of band topology. |
Xiaowei Zhang ; Chong Wang ; Xiaoyu Liu ; Yueyao Fan ; Ting Cao ; Di Xiao; |
| 351 | Interlayer Electric Multipoles Induced By In-plane Field from Quantum Geometric Origins Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We elucidate the symmetry characters of the phenomena, and demonstrate sizable dipole and quadrupole polarizations respectively in twisted bilayers and trilayers of transition metal dichalcogenides. |
Huiyuan Zheng ; Dawei Zhai ; Cong Xiao ; Wang Yao; |
| 352 | W State Is Not The Unique Ground State of Any Local Hamiltonian Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we introduce a new class of simple states, including the W state, that can only occur as a ground state alongside an exactly degenerate partner, even in gapless or disordered models. |
Lei Gioia ; Ryan Thorngren; |
| 353 | Mapping Quantum Geometry and Quantum Phase Transitions to Real Space By A Fidelity Marker Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Because the Brillouin zone is periodic, the integration of quantum metric over momentum space represents an average distance between neighboring Bloch states, which we call the fidelity number. We show that this number can further be expressed in real space as a fidelity marker, which is a local quantity that can be calculated directly from diagonalizing the lattice Hamiltonian. |
Antonio Lívio de Sousa Cruz ; Matheus Martins de Sousa ; Wei Chen; |
| 354 | Projected Zipper Entanglement Renormalization State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we introduce a new state-based framework, Zipper Entanglement renormalization, to approximate a Gutzwiller projected ground state. |
Yan Bai Zhang; |
| 355 | Quantum Electrodynamics of Non-Hermitian Dirac Fermions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk provides an effective quantum electrodynamics for non-Hermitian (NH) Dirac materials interacting with photons. |
Sk Asrap Murshed ; Bitan Roy; |
| 356 | Symmetry Classification of Typical Quantum Entanglement Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we establish the classification of typical quantum entanglement for free fermions, or equivalently the quadratic Sachdev-Ye-Kitaev model with symmetry, on the basis of the tenfold fundamental symmetry classes of time reversal, charge conjugation, and chiral transformation. |
Yuhan Liu ; Jonah Kudler-Flam ; Kohei Kawabata; |
| 357 | Measurement-Altered Ising Criticality in Rydberg Arrays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Weakly measuring a quantum critical system can dramatically alter both its long-distance correlations and entanglement structure. In this talk, I will present a roadmap towards experimentally realizing such measurement-altered quantum criticality in Rydberg atom arrays tuned to an Ising phase transition. |
Stephen Naus ; Yue Liu ; Sara Murciano ; Pablo Sala de Torres-Solanot ; Manuel Endres ; Jason Alicea; |
| 358 | Are Fermionic Conformal Field Theories More Entangled? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the entanglement between disjoint subregions in quantum critical systems through the lens of the logarithmic negativity. |
Gilles Parez ; William Witczak-Krempa; |
| 359 | Resummation-based Quantum Monte Carlo for Entanglement Entropy Computation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the recently developed resummation-based quantum Monte Carlo method for the SU(N) spin and loop-gas models, we develop a new algorithm, dubbed ResumEE, to compute the entanglement entropy (EE) with greatly enhanced efficiency. |
Ting-Tung Wang ; Zi Yang Meng; |
| 360 | Valance Bond Shadows of Quantum Spin Liquids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce valence bond (VB) shadows, a non-projective measurement technique in an overcomplete S=0 valence bond basis, large enough to be tomographically complete. |
Gaurav Gyawali ; Phillip Martin ; Michael Lawler; |
| 361 | Novel Multi-modal Spectroscopy Probe of Emergent Quanutm Order in Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we describe our novel approach to probe quantum states of matter by monitoring the net quantum phase accumulated during the controlled nuclear spin-ensemble time-evolution under the influence of the relevant local microscopic electronic Hamiltonian. |
Ilija Nikolov ; Rong Cong ; Stephen Carr ; Adrian Del Maestro ; Chandrasekhar Ramanathan ; Vesna Mitrovic; |
| 362 | Scaling of Entanglement Entropy at The Quantum Critical Point in Random Spin-1 Chain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the scaling properties of entanglement entropy (EE) near the disorder-induced topological phase transition between Haldane and Random Singlet phases in a spin-1 chain using the density-matrix renormalization group scheme. |
Prashant Kumar ; Ravindra Bhatt; |
| 363 | Stacked Tree Construction for Free-Fermion Projected Entangled Pair States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we propose a divide-and-conquer approach to directly construct a PEPS representation for free-fermion states admitting descriptions in terms of filling exponentially localized Wannier functions. |
Yuman He ; Kangle Li ; Yanbai Zhang ; Hoi Chun Po; |
| 364 | Proximity Effect of Optically Active H-BCN Nanoflakes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we employ Density Functional Theory (DFT) calculations to investigate the proximity effects of adsorbed h-BCN flakes on two-dimensional (2D) substrates. |
Ahmad Alsaad ; Jaeil Bai ; Wai-Ning Mei ; Carolina Ilie ; Peter Dowben ; Renat Sabirianov; |
| 365 | Atomically Precise Nitrogen-doped Graphene Nanoribbons for Electronics and Data Storage Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the on-surface synthesis and spectroscopic characterization of several varieties of nitrogen-doped graphene nanoribbons (GNRs), which include straight N=9 armchair GNRs and chevron-family GNRs. |
Alexander Sinitskii; |
| 366 | Electron-optics Using Negative Refraction in Two-dimensional Inverted-band Pn Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study band-inverted systems resulting from particle-hole hybridization and demonstrate their potential for electron optics applications. |
Yuhao Zhao; |
| 367 | Transport Measurements to Probe Electronic States of Semiconducting and Metallic Graphene Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use a LAO/STO-based sketched waveguide [2] to probe the energy structure of GNRs. |
Juliana Sebolt ; Muqing Yu ; Mamun Sarker ; Kyoungjun Lee ; Chang-Beom Eom ; Alexander Sinitskii ; Patrick Irvin ; Jeremy Levy; |
| 368 | Raman Spectroscopy and Modeling and Simulation of Piezoelectric Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have used both Raman spectroscopy (to precisely determine their vibrational frequencies) and UV-VIS spectroscopy (to accurately determine their band gap energies). |
Prabhakar Misra ; Allison Powell ; Nikhil Vohra ; Wyatt Mitchell ; Hawazin Alghamdi ; Raul Garcia-Sanchez; |
| 369 | High-brightness Fluorophores By Dye-Filled Boron Nitride Nanotubes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We showed that the electrically insulating and optically transparent BNNTs are the ideal carriers to retain the quantum yield (Φ) of the organic dyes while allowing us to systematically scale the molar extinction coefficient (ε) by two to three orders of magnitudes. |
Jeffrey Kabel ; Matthew Cowles ; Rodney Oakley ; James Turkovich ; Xiuling Liu ; Nazmiye Yapici ; Dongyan Zhang ; Yoke Khin Yap; |
| 370 | Superconductor-semiconductor Hybrid Capacitance with A Nonlinear Charge-voltage Profile Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a hybrid device that acts as a capacitor with a nonlinear charge-voltage relation, similar to the multilayered device studied by Balasubramanian [1], which can be employed in superconducting circuits. |
Joachim Lauwens ; Bart Soree ; Arnau Sala ; Lars Kerkhofs; |
| 371 | Finding The Thinnest Metallic Wire Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore a database we created of one-dimensional materials that could be exfoliated from experimentally known three-dimensional Van-der-Waals compounds. We explore this database searching for metallic wires that are resilient to Peierls distortions and could act as vias or interconnects for future downscaled electronic devices. |
Chiara Cignarella ; Davide Campi ; Nicola Marzari; |
| 372 | Simulation of Hot Carrier Generation and Distribution in Large Plasmonic Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present results for total and local hot-carrier generation rates of gold nanoparticles of different shapes including cubes, octahedra and dodecahedra and discuss their potential for the photocatalytic reduction of CO2 into high-value chemicals. |
Simão João ; Johannes Lischner ; Hanwen Jin; |
| 373 | Brightly Luminescent Colloidal Silicon and Silicon-Carbide Quantum Dots from Liquid Precursors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We provide a brief overview of our current and recent work synthesizing brightly luminescent colloidal Si and SiC quantum dots from liquid precursors. |
Erik Hobbie ; Salim Thomas ; Naif Alharthi ; Reed Petersen ; Kenneth Anderson ; Todd Pringle ; Dmitri Kilin; |
| 374 | Enhancing Second-Harmonic Generation Through Phase-Matching in A Silver Two-Wire Transmission-Line Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: At phase-matching conditions, we report 72% enhancement in the peak intensity of SHG compared to gold. |
Komal Gupta ; Anand Hegde ; Chen-Bin Huang; |
| 375 | Ab Initio Prediction of Stability and Photocatalytic Performance of Transition Metal Oxide Nanoscrolls Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use first-principles calculations to build a method to establish the feasibility of forming oxide nanoscrolls from TMDC precursors. |
Adway Gupta ; Arunima Singh; |
| 376 | Ab-Initio Calculations of Nonlinear Susceptibility and Multi-Phonon Mixing Processes in A 2D Electron Gas Coupled to A Piezoelectric Material Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this end, we propose a heterostructure consisting of a piezoelectric material with a two-dimensional electron gas (2DEG) stacked on top. |
Eric Chatterjee ; Daniel Soh ; Matt Eichenfield; |
| 377 | Magnetoconductance of Coupled Ballistic Nanowires on The LAO-STO Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the transport properties of a system of coupled nanowires drawn on the LaAlO3/SrTiO3 interface as a function of transverse applied magnetic field. In this theoretical study, we create a framework to describe such structures quantum mechanically. |
Shashank Anand ; Ranjani Ramachandran ; Jeremy Levy ; Erica Carlson; |
| 378 | Tunable Giant Berry Curvature Dipole in Two-Dimensional Xenes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using realistic tight-binding models and symmetry analyses, we have discovered that the combined effect of transverse electric field and strain leads to a giant Berry curvature dipole in the elemental buckled honeycomb lattices, i.e., Xenes [4]. |
Arka Bandyopadhyay ; Nesta Joseph ; Awadhesh Narayan; |
| 379 | Berry-induced Nonlinear Hall Effect in A Graphene – Bilayer WSe2 System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Notably, this effect can only be observed at second order in the applied bias. In this work, we investigate this phenomenon in a superstructure made up of graphene and 60 o twisted bilayer tungsten diselenide. |
angiolo huaman gutierrez; |
| 380 | Investigation of Berry Curvature Dipole in Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using first-principles DFT calculations and tight binding models, we have successfully identified monolayer and bilayer TMDCs that display finite BCD and hence, NLH currents 1,2. |
Nesta Joseph ; Awadhesh Narayan; |
| 381 | Non-Linear Thermoelectric Response Induced By Berry Curvature Quadrupole in Systems With Broken Time-Reversal Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper, using semiclassical Boltzmann formalism in the relaxation time approximation, we compute the Berry curvature quadrupole-induced non-linear anomalous thermal Hall and Nernst coefficients in time reversal broken systems. |
Srimayi Korrapati ; Snehasish Nandy ; Sumanta Tewari; |
| 382 | Localized Interfacial Phonon Modes at The Electronic Axion Domain Wall Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show that along with the electronic state, the phonon mode can also be localized at the domain wall between topologically trivial and non-trivial regions. |
Abhinava Chatterjee ; Chaoxing Liu ; Mourad Oudich ; Yun Jing; |
| 383 | Edge Theory of The Non-Hermitian Skin Modes in Higher Dimensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose a universal edge theory for the higher-dimensional non-Hermitian edge-skin modes. |
Kai Zhang; |
| 384 | Origin of Flat Bands in Three-dimensional Coupled Kagome Lattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we have introduced an exact analytical decimation transformation scheme to explore the coexistence of flat band and Dirac point in three-dimensional coupled kagome systems. |
ANUMITA BOSE ; Arka Bandyopadhyay ; Awadhesh Narayan; |
| 385 | Magic Momenta and Three Dimensional Landau Levels from A Three Dimensional Graphite Moir’e Superlattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we theoretically explore the physical properties of a new type of three dimensional graphite moir’e superlattice, the bulk alternating twisted graphite (ATG) system with homogeneous twist angle, which is grown by in situ chemical vapor decomposition method. |
Bo Xie ; Xin Lu ; Yue Yang ; Xiao Kong ; Jun Li ; Feng Ding ; Zhu-Jun Wang ; Jianpeng Liu; |
| 386 | Geometry-Enforced Topological Chiral Fermions in Amorphous Chiral Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce an amorphous Wilson-loop numerical method to, for the first time, characterize chiral fermions with quantized Berry curvature fluxes in fully disordered 3D metals. |
Justin Schirmann ; Adolfo Grushin ; Benjamin Wieder; |
| 387 | Scattering Dynamics of A Non-Hermitian Dirac Equation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore the properties of a non-Hermitian variant of the (2+1)-dimensional Dirac wave equation. |
Yun Yong Terh; |
| 388 | Interaction Renormalization of Generalized Semi-Dirac Fermions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a generalization of semi-Dirac fermions, and study the effects of long range Coulomb electron-electron interactions on the low energy excitations of such systems. |
Mohamed Elsayed ; Valeri Kotov; |
| 389 | Magnetoresistance Due to Classical Memory Effects in A Three-dimensional Electron Gas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss the results of our analysis of the transverse (TMR), as well as longitudinal MR (LMR) of a 3D electron gas, due to a long-range a) random magnetic field and b) random potential, within a semiclassical Boltzmann approach, with and without short-range disorder. |
Sarbajaya Kundu ; Yuxuan Wang ; Oleg Usatenko ; Dmitrii Maslov; |
| 390 | Large Anomalous Nernst Effect in Polycrystalline Thin Films of The Weyl Ferromagnet Co2MnGa Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we report the highest ANE ever recorded among all reported polycrystalline films to date by using a topological ferromagnet. |
Ryota Uesugi ; Tomoya Higo ; Satoru Nakatsuji; |
| 391 | Spin-orbit Enabled Unconventional Stoner Magnetism Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we identify a new fermionic pseudospin with a symmetry that forbids it to couple to a Zeeman field. |
Yue YU ; TATSUYA SHISHIDOU ; Shuntaro Sumita ; Michael Weinert ; Daniel Agterberg; |
| 392 | Scanning D-wave Andreev Reflection Spectroscopy of Vortex Bound States in Superconducting Chalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, our scanning Andreev reflection technique is applied to probe vortex cores in the chalcogenide superconductors 2 H-NbSe 2, 2 H-TaS 2 and Fe(Se,Te). |
Rainni Chen ; Chao Zhang ; Chris Granstrom ; Ruixing Liang ; Cedomir Petrovic ; Maw-Kuen Wu ; John Wei; |
| 393 | Advancements in Scanning Josephson Junction Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present calculations using P(E)-theory that demonstrate the benefits of a large capacitance across the junction, including a narrower microwave linewidth, and decreased sensitivity to leads. |
Margaret Fortman ; Zachary Krebs ; Ramiro Rodriguez ; David Harrison ; Robert McDermott ; Caglar Girit ; Victor Brar; |
| 394 | Visualizing The Finite-momentum Pairing State in EuRbFe4As4 Via Quasiparticle Interference Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show evidence from Spectroscopic Imaging Scanning Tunneling Microscopy (SI-STM) that a phase-modulated superconducting order parameter exists in the magnetic ( Tm ~ 15K) iron pnictide superconductor ( Tc ~ 37K) EuRbFe 4As 4 (ER-1144). |
Kazuhiro Fujita ; He Zhao ; Raymond Blackwell ; Shigeyuki Ishida ; Akira Iyo ; Hiroshi Eisaki ; Roland Willa ; Rafael Fernandes ; Joerg Schmalian ; Abhay Pasupathy; |
| 395 | Inhomogeneous High Temperature Melting and Decoupling of Charge Density Waves in Spin-triplet Superconductor UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use spectroscopic imaging scanning tunneling microscopy to study the evolution of density waves in the heavy fermion spin-triplet superconductor candidate UTe 2 as a function of temperature and magnetic field. |
Alexander LaFleur ; Hong Li ; Corey Frank ; Muxian Xu ; Siyu Cheng ; Ziqiang Wang ; Nicholas Butch ; Ilija Zeljkovic; |
| 396 | Tunneling Andreev Reflection – New Quantitative Microscopy of Superconductors with Atomic Resolution Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we will present our technique of Tunneling Andreev Reflection – which detects Andreev reflection across atomic-scale tunnel junction [1]. |
Petro Maksymovych ; Sang Yong Song ; Wonhee Ko ; Jiaqiang Yan ; Jose Lado; |
| 397 | Chiral Bogoliubov Quasiparticle Interference in Twisted NbSe2 Graphene Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we have discovered a naturally occurring chirality in a superconducting monolayer of NbSe 2 grown on graphene using molecular beam epitaxy. |
Masahiro Naritsuka ; Tadashi Machida ; Tetsuo Hanaguri; |
| 398 | Point Contact Spectroscopy on A15 Ti3Ir Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Phase-pure high-quality single-crystal samples of A15 Ti 3Ir were grown using self-flux method. |
Ulrich Welp ; Aastha Vasdev ; Matthew Smylie ; Ramakanta Chapai ; Xinglong Chen ; Duck Young Chung ; Wai-Kwong Kwok ; John Mitchell ; Goutam Sheet; |
| 399 | Orbital Ordering in Bi2Sr2CaCu2O8+x Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we introduce sublattice resolved ε(r) imaging techniques to CuO 2 studies and discover intra-unit-cell rotational symmetry breaking of ε(r), with energy-level splitting between the two oxygen atoms on the 50 meV scale. |
Niall Kennedy ; Shuqiu Wang ; Kazuhiro Fujita ; Shin-ichi Uchida ; Hiroshi Eisaki ; Peter Johnson ; Seamus Davis ; Shane O’Mahony; |
| 400 | Tunneling Experiments Into Proximitized Ge/SiGe Quantum Well Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Ge quantum wells in SiGe heterostructures are a promising platform for a new generation of quantum devices due to their high mobility [1], ability to be proximitized by … |
Elyjah Kiyooka; |
| 401 | Why Shot Noise Does Not Generally Detect Pairing in Mesoscopic Superconducting Tunnel Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, I will present our results that shot noise can be controlled by the transparency in superconducting tunnel junctions [3]. |
Jiasen Niu ; Koen Bastiaans ; Jianfeng Ge ; Ruchi Tomar ; John Jesudasan ; Pratap Raychaudhuri ; Max Karrer ; Reinhold Kleiner ; Dieter Koelle ; Arnaud Barbier ; Eduard Driessen ; Yaroslav Blanter ; Milan Allan; |
| 402 | Superconductivity in Atom-by-atom Crafted Quantum Corrals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Gapless materials in electronic contact with superconductors acquire proximity-induced superconductivity in a region near the interface. Here, we investigate the most miniature example of this so-called proximity effect on only a single quantum level of a surface state confined in a quantum corral on a superconducting substrate, built atom-by-atom using a scanning tunneling microscope. |
Lucas Schneider ; Khai That Ton ; Ioannis Ioannidis ; Jannis Neuhaus-Steinmetz ; Thore Posske ; Roland Wiesendanger ; Jens Wiebe; |
| 403 | Hyperspectral Nano-Imaging of Deformation Induced Self Organized Structures in SrTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Principal component analysis extracted the principal variations and reduced the dimensionality of the data. |
Liam Thompson ; Brayden Lukaskawcez ; Issam Khayr ; Sajna Hameed ; Martin Greven ; Alexander McLeod; |
| 404 | Transport and Microscopy Studies in High-Tc Superconductor-Ferromagnet Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present results on magneto-transport and magneto-microscopy of superconductor-ferromagnet junctions made using layered van der Waals materials which have high transition temperatures. |
Sharadh Jois ; Gregory Stephen ; Son Le ; Jimmy Kotsakidis ; Qiang Li ; Genda Gu ; Aubrey Hanbicki ; Adam Friedman; |
| 405 | Charge and Spin Density Wave Gaps in La4Ni3O10 Measured By Point Contact Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have performed temperature and magnetic field dependent point-contact spectroscopy experiments on a single crystal of La 4Ni 3O 10 and observed evidence of spectral gaps corresponding to the two orders. |
Goutam Sheet ; Aastha Vasdev ; Ulrich Welp ; Hong Zheng ; Xinglong Chen ; Daniel Phelan ; Michael Norman ; J. Mitchell; |
| 406 | Tuning Superconductivity By Rare-earth Element Doping in Bi-based High TC Cuprate Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Motivated by over three decades of studies on elemental doping of high temperature cuprate superconductors, we explore the superconducting mechanism by studying its enemies. |
Maria Bambrick-Santoyo ; Peter van Vlaanderen ; Jinming Yang ; Tyler Werner ; Ruobin Han ; Siqi Wang ; Ioan-Augustin Chioar ; Jeremy Mao ; Yu He; |
| 407 | Superconducting Cobalt Disilicide Thin Films for Quantum Information Technolgy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: One way to make progress on the field is by carefully engineering the materials and devices that constitute them. In this context, we report the synthesis of closely lattice matched superconducting cobalt disilicide thin films grown on low loss silicon (111) substrates using molecular beam epitaxy. |
Wilson Yanez Parreno ; Teun van Schijndel ; Anthony McFadden ; Yu Wu ; Raymond Simmonds ; Chris Palmstrom; |
| 408 | Critical Field Anisotropy and Muon Spin Relaxation Study of Superconducting Dirac-Semimetal CaSb2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the superconducting upper and lower critical field anisotropy using magnetic susceptibility on single crystals [4], and study the superconducting state using muon spin-relaxation. |
Mohamed Oudah ; Yipeng Cai ; Marta-Villa De Toro Sanchez ; Jörn Bannies ; Meigan Aronson ; Kenji Kojima ; Douglas Bonn; |
| 409 | X-ray and Neutron Diffuse Scattering and Monte Carlo Modeling of Local Structure in The Cuprate HgBa2CuO4+δ Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on X-ray and neutron diffuse scattering measurements of the structurally simple compound HgBa 2CuO 4+δ along with pair-distribution-function analysis of the data and reverse Monte Carlo refinement of the local structure. |
Zachary Anderson ; Marin Spaić ; Nikolaos Biniskos ; Biqiong Yu ; Jack Zwettler ; Yaohua Liu ; Feng Ye ; Matthew Krogstad ; Raymond Osborn ; Damjan Pelc ; Martin Greven; |
| 410 | Unusual Short-range Structural Fluctuations in La2-xSrxCuO4 and La2-xSrxNiO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, we observe an exponential dependence of the scattering intensity on absolute (rather than reduced) temperature, analogous to recent findings for the superconducting precursor of cuprates and other oxides [2]. Here we report on efforts to extend these measurements to higher temperatures for La2-xSrxCuO4 and to the isostructural insulating nickelate La2-xSrxNiO4. |
Richard Spieker ; Dayu Zhai ; Marin Spaić ; Xing He ; Issam Khayr ; Nina Bielinski ; Matthew Krogstad ; Feng Ye ; Raymond Osborn ; Damjan Pelc ; Martin Greven; |
| 411 | Superconducting Properties of The Spin Hall Candidates Ti3Ir and Ti3Pt Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Materials with A15 structure are emerging as a novel platform for realizing new phenomena resulting from the interplay of superconductivity, band topology and spin dynamics. Here, we present a study of the superconducting properties of the spin Hall candidate Ti 3Ir, an A15 compound, and its homolog Ti 3Pt. |
Matthew Smylie ; Ramakanta Chapai ; Ulrich Welp ; Xinglong Chen ; Duck Young Chung ; Wai-Kwong Kwok ; John Mitchell; |
| 412 | Low Temperature Electronic Transport Properties of Ultrathin, Single Crystal WC and W2C Nanoplates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We identify crystal phase using a combination of X-ray and electron diffraction. |
Alex Sredenschek ; David Sanchez ; Jiayang Wang ; Da Zhou ; Le Yi ; Morteza Kayyalha ; Susan Sinnott ; Mauricio Terrones; |
| 413 | Low-energy Charge Dynamics of Infinite-layer Nickelates: Evidence for D-wave Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Despite the exciting advances, the key issues of the superconducting pairing symmetry, gap amplitude, superconducting fluctuation and collective modes remain elusive. In this talk, I will show how we utilize static and ultrafast terahertz spectroscopy to address these outstanding problems. |
Bing Cheng ; Di Cheng ; Kyuho Lee ; Liang Luo ; Zhuoyu Chen ; Yonghun Lee ; Bai Yang Wang ; Martin Mootz ; Chuankun Huang ; Ilias Perakis ; Zhi-Xun Shen ; Harold Hwang ; JIGANG Wang; |
| 414 | Spin Susceptibility of Nonunitary Spin-triplet Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We apply it to group theoretically admissible nonunitary phases of specific crystal symmetries in the presence of strong spin-orbit coupling. |
Thomas Bernat; |
| 415 | Terahertz Higgs Echo Spectroscopy of A Niobium Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the observation of robust Higgs echoes in a Niobium superconductor through phase-locked pulse-pair coherent driving using THz-MDCS. |
Chuankun Huang ; Martin Mootz ; Liang Luo ; Yihua Qiang ; Victor Quito ; Peter Orth ; Ilias Perakis ; JIGANG Wang ; Avinash Khatri; |
| 416 | From Foliated to Exotic Field Theories for Gapped Fracton Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we briefly introduce both types of field theory and outliine the procedure to obtain one from the other. |
Ryan Spieler; |
| 417 | Measuring Topological Field Theories: Lattice Models and Field-Theoretic Description Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present a field-theoretic framework for the description of measurements within topological field theories. |
Yabo Li; |
| 418 | Anyon Condensation Web in 2D Modulated Gauge Theories Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce an anyon condensation web that interconnects a broad class of two dimensional spatially modulated gauge theories at a microscopic level. |
Guilherme Delfino ; Yizhi You; |
| 419 | Unambiguous Diagnostic of Chirality in The Entanglement Spectrum of (2+1)d Topological Spin Liquids: Demonstration in A SU(4) PEPS Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We address the key question of representation of chiral topological quantum states in (2+1)d by Projected Entangled Pair States (PEPS). |
Mark Arildsen ; Ji-Yao Chen ; Norbert Schuch ; Andreas Ludwig; |
| 420 | Eigenstate Switching of Topologically Ordered States Using Local Non-Hermitian Perturbations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a novel scheme that utilizes $mathcal{PT}$-symmetric perturbations to induce eigenstate coalescence between different ground states of the toric code model. |
Cheol Hun Yeom ; Moon Jip Park; |
| 421 | Fractons, Strange Correlators and Dualities Via Cluster State Measurements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use the chain complex representation of CSS codes to arrive at a web of dualities that generalizes the Wegner’s duality in generalized quantum Ising models. |
Aswin Parayil Mana ; Hiroki Sukeno ; Takuya Okuda; |
| 422 | Replica Topological Order and Quantum Error Correction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study gives various equivalent definitions for replica topological order in mixed states. |
Zhuan Li ; Roger Mong; |
| 423 | Utilization of A Microwave-analogue Aharonov-Bohm Ring to Explore Loss of Detailed Balance in Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: An Aharonov-Bohm interferometer coupled with a dephasing site has been proposed as a potential device to exhibit such non-reciprocal behavior [1]. In our recent work [2], we created a microwave analogue of this device and examined its transmission properties in both the frequency and time domain. |
Isabella Giovannelli ; Lei Chen ; Nadav Shaibe ; Steven Anlage; |
| 424 | Time-resolved Thermodynamic Cycles in Three-level Quantum Heat Engines Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will discuss recent results that employ quantum waiting time distributions, to study the heat transfer and entropy production in a quantum heat engine. |
Abhaya S Hegde ; Patrick Potts ; Gabriel Landi; |
| 425 | Quantum Queued Collisional Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a general framework of queued collisional models, that combine stroboscopic quantum dynamics with queuing theory in classical stochastic processes. |
Guilherme Fiusa; |
| 426 | Intrinsic Origin of 1/f Noise in Open Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that 1/f noise results from the asymptotic incompleteness of Fock space, which can happen when the Hamiltonian does not admit a ground state. |
Dragomir Davidovic ; Elyana Crowder ; lance lampert ; Jiahao Chen ; Shantanu Chaudhary ; Srikar Gadamsetty; |
| 427 | Quantum Monge-Kantorovich Problem and The Time Dependent Two Qubit Marginal Problem Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the optimal transport problem between a pair of two level systems from the perspective of the time dependent marginal problem afforded by structure of the transport plans. |
Tharon Holdsworth ; Akira Sone; |
| 428 | Energy Statistics in Quantum Scattering Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that the energy statistics of a quantum system can be probed by a collision with a moving particle. |
Samuel Jacob ; Felipe Barra ; Massimiliano Esposito ; Gabriel Landi ; John Goold; |
| 429 | Quantum Enhanced Heat Engine Based on Superabsorption Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a quantum-enhanced heat engine with entanglement. |
Shunsuke Kamimura ; Hideaki Hakoshima ; Yuichiro Matsuzaki ; Kyo Yoshida ; Yasuhiro Tokura; |
| 430 | Partitioning Quantum Work: Missing Term Revealed in The Thermodynamics of Open Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that entropy is only well-defined under a Hilbert-space partition, which assigns half the system-environment coupling to the system and half to the environment. |
Parth Kumar ; Caleb Webb ; Charles Stafford; |
| 431 | Quantum Speed Limit for The Information Processing of Quantum Thermodynamical Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that the work reservoir plays a role as a catalyst and characterize the corresponding thermal operation. |
Shou-I Tang ; Akram Touil ; Sebastian Deffner ; Akira Sone; |
| 432 | Ultrafast Entropy Production By Magnons Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Ultrafast demagnetization processes can be observed in THz pump and probe experiments. The exact microscopic behavior of the magnons involved is described by a Landau-Lifshitz- … |
Finja Tietjen ; R. Matthias Geilhufe; |
| 433 | Characterization of Quantum Thermodynamics in Non-Markovian Open Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this end, from a quantum thermodynamical perspective, we study the open quantum system models, where a quantum system is impacted by its ambient environment. |
Devvrat Tiwari; |
| 434 | A Chiral Kondo Lattice in Doped Transition Metal Dichalcogenides Heterobilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a theory to describe the recent realization of a heavy fermion state in stacked MoTe2/WSe2 bilayers. |
Jed Pixley; |
| 435 | The Landau Level Approach to Twisted Homobilayer Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will introduce an approximation to the continuum model that explicitly maps the system to an effective problem of Landau levels in a periodic potential. |
Nicolás Morales-Durán; |
| 436 | The Possibility of Novel Superconductity with High-Order Excitonic Complexes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This last complex is a boson that carries net charge, and therefore a Bose-Einstein condensate of them would also be a superconductor. In this talk I will review this menagerie of excitonic states, when they are predicted to appear, and the experimental evidence we have for them, with a focus on the evidence for doubly charged excitons which could provide a non-BCS mechanism for superconductivity. |
David Snoke; |
| 437 | Topological Superconductivity in Doped Magnetic Moiré Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Interests in excitonic mechanism for superconductivity are revived by recent advances in semiconducting heterostructures, where bound inter-layer excitons carrying twice the electron charge have been experimentally observed. In this talk, I will review general conditions for the emergence of superconductivity from these composite charged excitons and highglight why semiconducting multilayers are natural plateform for its existence. |
Valentin Crépel ; Daniele Guerci ; Jennifer Cano ; Jed Pixley ; Andrew Millis; |
| 438 | Moire Materials Beyond The Hubbard ModelHeavy Quasiparticles and Cascades Without Symmetry Breaking in Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Due to the fragile topology of TBG, we predict a strong momentum differentiation in the incoherent spectral weight. |
Elena Bascones; |
| 439 | Observation of Long-range Co-tunnling from Chiral Hinge Modes in The Magnetic Topological Superconductor Fe(Te, Se) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present systematic tunneling experiments to test the existence of 1D-HOTSC mode. |
Wenyao Liu ; Kenneth Burch ; Gabriel Natale ; Jing Xia ; Enrico Rossi ; Ruixing Zhang ; Camron Farhang; |
| 440 | Topological Band Structure in Superconductor FeTe0.55Se0.45 : Band Structure and Modeling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In recent work [1], ARPES measurements observed a DSS independent of kz and identified its orbital spectral weight. Based on these findings, using elementary band representation theory (EBR) and topological quantum chemistry (TQC), we developed a tight-binding model that preserves all the symmetries. |
Maia Garcia Vergniory ; Yingfei Li ; Mikel García Díez ; Mikel Iraola Iñurrieta ; Sudi Chen ; Heike Pfau ; Zhiqiang Mao ; Yanglin Zhu ; Ming Yi ; Pengcheng dai ; Tong Chen ; Jonathan Sobota ; Makoto Hashimoto ; Donghui Lu ; Zhixun Shen; |
| 441 | Intertwined Topological and Time-reversal-symmetry-breaking States on The Surface of Fe-Chalcogenide Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The bulk of FeTe1 − xSex is not TRSB, remaining non-magnetic to the lowest temperature. We will describe the detailed temperature evolutions of this surface magnetic state with multiple magnetic transitions and will show that at these transition temperatures the Andreev tunneling spectrum changes abruptly and eventually achieves a perfect flat plateau shape. |
Jing Xia; |
| 442 | Trapping Majorana Quasiparticles with Superconducting Vortices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss mechanisms of trapping MZMs with quantum vortices in a topologically trivial s-wave superconductor. |
Ruixing Zhang; |
| 443 | Evidence for Time Reversal Symmetry Breaking in A Van Der Waals Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study 4Hb-TaS 2, which naturally realizes an alternating stacking of 1T-TaS 2 and 1H-TaS 2 structures. |
Amit Kanigel; |
| 444 | Andreev Spin Qubits in Germanium-Based Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We theoretically study Andreev bound states realized in a quasi-one-dimensional superconductor|germanium|superconductor heterostructure. |
Silas Hoffman ; Charles Tahan; |
| 445 | Charge and Spin Control of Andreev States in Semiconducting Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Consequently, we find a dependence of the coherence time as a function of magnetic field, phase difference and filling. |
Charles Tahan ; Silas Hoffman ; Max Hays ; Kyle Serniak ; Thomas Hazard; |
| 446 | Gate Tunable Spin Splitting of Germanium Quantum Well Josephson Junction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we compare the effects of linear vs cubic spin-orbit coupling on the spin splitting of the Andreev bound spectrum. |
Avani Vivrekar ; Benjamin Woods ; Benjamin Harpt ; Mark Eriksson ; Mark Friesen; |
| 447 | Superconducting Spin Qubits: Coherence, Coupling and Perspective Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss our results on the implementation of an Andreev spin qubit that is stabilized by the charging energy of a gate-defined quantum dot [2, 4, 5]. |
Marta Pita-Vidal; |
| 448 | Gatemon Qubit in A Narrow Ge/Si Core/shell Nanowire Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report full coherent control of the gatemon qubit, with energy relaxation times up to ~1.27 μs. |
Han Zheng ; Luk Yi Cheung ; Nikunj Sangwan ; Artem Kononov ; Roy Haller ; Joost Ridderbos ; Carlo Ciaccia ; Jann Hinnerk Ungerer ; Erik P. A. M. Bakkers ; Andreas Baumgartner ; Christian Schonenberger; |
| 449 | Optimized Backgate Design for Enhancing Coherence Times in Graphene Gatemons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a graphene-based differential (floating) qubit design in which two capacitor pads are symmetrically coupled to the back gate line with equal strength. |
Daniel Rodan Legrain ; Joel Wang ; Pablo Mercader-Pérez ; Réouven Assouly ; Max Hays ; Aranya Goswami ; Sameia Zaman ; Beatriz Yankelevich ; Aziza Almanakly ; Thomas Hazard ; Michael Gingras ; Bethany Niedzielski ; Hannah Stickler ; Mollie Schwartz ; Jonilyn Yoder ; Kenji Watanabe ; Takashi Taniguchi ; Terry Orlando ; Simon Gustavsson ; Jeffrey Grover ; Kyle Serniak ; Pablo Jarillo-Herrero ; William Oliver; |
| 450 | Quantum Dynamics of Superconductor-quantum Dot-superconductor (super-semi) Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider capacitively shunted gatemon qubit based on superconductor-semiconductor quantum dot-superconductor (SC-QD-SC=super-semi) Josephson junction, where the superconducting phase variables may experience large quantum fluctuations. |
Utkan Güngördü ; Andrew Kerman ; Kyle Serniak ; Silas Hoffman ; Rusko Ruskov ; Charles Tahan; |
| 451 | Thermal Tuning of The Niobium-Germanium Interfaces for Hybrid Superconductor-Semiconductor Quantum Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the influence of thermal processing on the interface conditions of Nb-Ge heterostructures. |
Bernardo Langa ; Richard Haight ; Leonard Feldman ; Hussein Hijazi ; Xiangju Zhu ; Lifang Hu ; Moon Kim ; Kasra Sardashti; |
| 452 | Understanding Loss Mechanisms in InAs-based Gatemon Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a strategy to quantify various mechanisms that manifest in resonator quality factors. |
Lukas Baker ; William Strickland ; Krishna Dindal ; Jaewoo Lee ; Javad Shabani ; Bassel Heiba Elfekey ; Jacob Issokson ; Jacob Issokson ; Ido Levy; |
| 453 | Quantum Transport and Entanglement in Cooper Pair Splitters Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Establishing parallels between the NEGF method and the master equation approaches, we build a correlation matrix to calculate the steady-state entanglement entropy in the transport. |
Bhaskaran Muralidharan ; Arnav Arora ; Siddhant Midha ; Pertti Hakonen ; Alexander Zyuzin; |
| 454 | Gate-Tunable Circuit QED Experiment in A Three-Dimensional Cavity Architecture Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present a three-dimensional copper cavity architecture design, compatible with a DC gate line and magnetic field, for probing hybrid devices. |
Jierong Huo ; Zezhou Xia ; Zonglin Li ; Shan Zhang ; Jianghua Ying ; Hao Zhang; |
| 455 | CVD-grown Ultralong Graphene Nanoribbons for High-performance Electronics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study provides a scalable, single-step method for growing micrometer-long narrow GNRs on insulating substrates, thus opening a route to explore the performance of high-quality GNR devices and the fundamental physics of 1D moiré superlattices. |
Bosai Lyu; |
| 456 | Nano-electromechanical Quantum Simulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: If successful, the project will enable the first experimental platform for quantum simulation of electron-phonon coupling. |
Stefan Forstner ; Marta Cagetti ; Adrian Bachtold ; Chandan Samanta ; Christoffer Moller ; Roger Tormo ; Sergio De Bonis ; David Czaplewski ; Victor Roman; |
| 457 | Quasiperiodicity Enabled Quasi-fractal Order in Narrow-band Moir’e Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present recent theoretical efforts towards the understanding of the role played by quasiperiodity in moiré electron systems. |
Eduardo Castro ; Miguel Gonçalves ; Bruno Amorim ; Flavio Riche ; Pedro Ribeiro; |
| 458 | Mirror-protected Majorana Zero Modes in F-wave Multilayer Graphene Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by recent experimental discoveries of superconductivity in multilayer graphene, we study models of f-wave superconductivity on the honeycomb lattice with arbitrary numbers of layers. |
Héctor Sainz-Cruz ; Vo Tien Phong ; Eugene Mele ; Francisco Guinea; |
| 459 | Electrically Tunable Flat Bands with Layer-resolved Charge Distribution in Twisted Monolayer-bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we examine the electronic structure of TMBG using a tight-binding model with accurate parameters. |
Mei-Yin Chou ; Wei-En Tseng; |
| 460 | Effect of Local Environment on The Vibrational Properties of Twisted Bilayer Graphene: A Machine Learning Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Subsequently, we calculate their local phonon density of states to establish a database, which is used to train a machine learning model. |
Dilara ickecan ; Erdi Ata Bleda ; Yunus Emre Okyayli ; Dogan Erbahar; |
| 461 | Long-distance Spin Transport in Indirect Excitons in MoSe2/WSe2 Heterostructure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We studied spatially indirect excitons (IXs), also known as interlayer excitons, in van der Waals heterostructures composed of atomically thin layers of transition-metal dichalcogenides (TMD). |
Zhiwen Zhou ; Erik Szwed ; Darius Choksy ; Lewis Fowler-Gerace ; Leonid Butov; |
| 462 | Numerical Calculations of Superheating Field in Superconductors with Nanostructured Surfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report the numerical calculation of a DC superheating field H sh by solving the Ginzburg-Landau (GL) equations for superconductors with inhomogeneous impurity concentration at the surface and superconductor-insulator-superconductor (S-I-S) multilayers. |
Manula Randhika Pathirana Walive Pathiranage ; Alexander Gurevich; |
| 463 | Scalable Donor-based Electron Spin Qubit Unit in Silicon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we propose a scalable unit of donor-based electron spin qubits that incorporates an ancilla donor. |
Shihang Zhang ; Yu He ; Peihao Huang; |
| 464 | Nanoscale Electrical Tuning of Charged Excitons in Two-Dimensional Materials with 1-nm Gate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observed the photoluminescence (PL) spectral behavior of neutral excitons (X o), charged trions (X -), and charged biexcitons (XX -) under various applied biases. |
Jawaher Almutlaq ; Jiangtao Wang ; Linsen Li ; Chao Li ; Tong Dang ; Vladimir Bulović ; Jing Kong ; Dirk Englund; |
| 465 | Defining Mach’s Principle in A Topological World Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This suggests Mach’s principle is applicable only to the scale-invariant topological impedances. We seek to define Mach’s principle in light of this limitation. |
Peter Cameron ; Michael Cook; |
| 466 | Spin-phonon Entanglement in SiC Optomechanical Quantum Oscillators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Remarkably, we proposed the hybrid spin-optomechanical system in a Raman-facilitated scheme which offers a coupling of spins to the vibration mode of simulated Silicon Carbide OMC cavities approaching MHz, enabling a fast and efficient spin-phonon entanglement with fidelity of 98%. |
Ruoming Peng ; Xuntao Wu ; Durga Dasari ; Jörg Wrachtrup; |
| 467 | Magnetic Relaxometry Study of Cytochrome C Using Nitrogen Vacancy Centers in Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we perform NV- T 1 relaxometry measurements on a diamond chip doped with a 8-nm thick NV-layer without the presence of Cyt-C, yielding a relaxation time of approximately 1.2 ms. Subsequently, by varying the concentration of Cyt-C from 2.6 µM to 54 µM on the diamond surface, we observe a reduction in the T 1 time to 850 µs and 150 µs, respectively. |
Abdelghani Laraoui ; Suvechhya Lamichhane ; Rupak Timalsina ; Cody Schultz ; Ilja Fescenko ; Kapildeb Ambal ; Sy-Hwang Liou ; Rebecca Lai; |
| 468 | An Optimization Framework for Deterministic Generation of Photonic Graph States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce an optimization method for deterministic generation of photonic graph states considering cost metrics such as circuit depth and gate count which is based on the local Clifford (LC) equivalency of quantum states. |
Sobhan Ghanbari ; Jie Lin ; Benjamin MacLellan ; Luc Robichaud ; Piotr Roztocki ; Hoi-Kwong Lo; |
| 469 | Scheduling Compact Error Correcting Codes in Entanglement Distribution Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we develop an approach for extending the effective coherence time of shared entanglement between nodes by utilizing compact quantum error correcting (QEC) codes, which are scheduled and run locally on resource-constrained repeaters, to maximize the fidelity of the shared state, while also accounting for the incurred gate noise from QEC circuit operations. |
Keith Kenemer ; Michelle Chalupnik ; Michelle Fernandez ; Michael Cubeddu ; Eric Brown; |
| 470 | Optimal Non-local Franson Bi-photon Quantum Interferometry Via High-finesse Cavities in Quantum Communications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our research, we have identified the cavity finesse F as a pivotal parameter for optimizing non-local Franson biphoton interferometry and BFC time correlations. |
Sophi Song ; Kai-Chi Chang ; Xiang Cheng ; Murat Can Sarihan ; Chee Wei Wong; |
| 471 | Highly-efficient Multimode Superconducting Integrated Quantum Memory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We experimentally demonstrate microwave quantum storage for two spectral modes of microwave radiation in on-chip system of eight coplanar superconducting resonators. |
Aleksei Matanin ; Konstantin Gerasimov ; Eugene Moiseev ; Nikita Smirnov ; Anton Ivanov ; Elizaveta Malevannaya ; Victor Polozov ; Evgeny Zikiy ; Sergey Moiseev ; Ilya Rodionov; |
| 472 | Impact of Nematic Fluctuations on The Hall Viscosity of Electronic Fluids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we explore the impact of nematic fluctuations on the elastic properties of the electronic fluid itself. |
Rui Aquino ; Rafael Fernandes ; Joerg Schmalian; |
| 473 | How to Measure The Quantum Geometric Tensors of Bloch Electrons in Solids Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will explain how the quantum metric as well as the Berry curvature can be measured using the APRES data. |
Bohm-Jung Yang ; Sunje Kim ; Mingu Kang ; Riccardo Comin; |
| 474 | Quantum Geometric Low-Frequency Optical Response of Correlated Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that the low-frequency optical conductivity in correlated metals can directly probe the quantum geometry of the Fermi surface. |
Martin Claassen ; Wai Ting Tai; |
| 475 | Topological Heavy Fermions in Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this end we provide a systematic derivation of the THFM in B and solve the resulting model to obtain the interacting Hofstadter spectra for single particle charged excitations at three different fillings of the moiré unit cell. |
Keshav Singh ; Aaron Chew ; Jonah Herzog-Arbeitman ; Andrei Bernevig ; Oskar Vafek; |
| 476 | Surface States and Effects of Local Surface Chemistry in F-electron Weyl Semimetal CeCoGe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present both XPS (x-ray photoemission spectroscopy) and ARPES measurements of CeCoGe3, showing correlations between surface environment and local electronic structure. |
Robert Prater ; Matthew Staab ; Sudheer Anand Sreedhar ; Zihao Shen ; Vsevolod Ivanov ; Sergey Savrasov ; Valentin Taufour ; Inna Vishik; |
| 477 | Weyl-Kondo Semimetals in Chiral and Magnetic Settings Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Weyl-Kondo semimetals represent a class of gapless topological states driven by strong correlations. Here, we consider such phases in chiral or magnetic settings. |
Yuan Fang ; Lei Chen ; Qimiao Si; |
| 478 | Non-fermi Liquid Signatures of Quadratic Band Touching and Phonon Anomalies in Metallic Pr2Ir2O7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a detailed temperature-dependent Raman study of the ”quadratic band touching Luttinger semimetal” Pr2Ir2O7. |
Rosalin Mohanty ; Ajay Sood ; Prachi Telang ; Surjeet Singh ; Victor Muthu; |
| 479 | Dirac Nodal Lines in The Optical Conductivity of Ba(Co,Ni)S2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The solid solution between BaCoS 2 and BaNiS 2 shows anarray of quantum properties. |
Ricardo P.S.M. Lobo; |
| 480 | Low Temperature Magneto-transport of Epitaxial Samarium Hexaboride Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we work with SmB 6 films epitaxially grown on Si by molecular-beam epitaxy and perform magneto-transport with film thickness from 10 to 80 nm. |
Sandesh Kalantre ; Anjolaoluwa Bamtefa ; Jason Hoffman ; Jennifer Hoffman ; David Goldhaber-Gordon; |
| 481 | Charge Dynamics in Elemental Bismuth Measured with Momentum-resolved EELS Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we have studied the charge dynamics in bismuth single crystals using momentum resolved electron energy loss spectroscopy (m-EELS). |
Dipanjan Chaudhuri ; Edwin Huang ; Penghao Zhu ; Xuefei Guo ; Jin Chen ; Farzaneh Hoveyda ; Caitlin Kengle ; Nathaniel Manning ; Simon Bettler ; Taylor Hughes ; Peter Abbamonte; |
| 482 | Nonlinear Bosonization and The Anomalous Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Nonlinear bosonization offers both perturbative and non-perturbative techniques to study Fermi and non-Fermi liquids. |
Yi-Hsien Du ; Dam Son; |
| 483 | Spontaneous Electric Potential Generation on The Surface of The Topological Kondo Insulator SmB6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we delve into the intricate behaviors of SmB 6, with a focus on the intermediate temperature region (5-15 K) where topological surface states begin to develop whereas the bulk is already a gapped insulator. |
Zhenqi Hua ; Xiaoyu Wang ; Jiawen Zhang ; Chengwei Wang ; David Graf ; Sean Thomas ; Priscila Rosa ; Steffen Wirth ; Huiqiu Yuan ; Peng Xiong ; Lin Jiao; |
| 484 | Magnetization of Superfluid He-3 in Periodic Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Andreev quasiparticle states near fully reflective surfaces are a manifestation of the topological properties of the superfluid, and they create special magnetic environment different from the bulk. Using the scattering matrix approach and quasiclassical technique, we investigate the spectrum of Andreev states near semi-transparent interfaces, including periodic structures made out of such interfaces, and focus on their influence on the magnetization of the superfluid states. |
Anton Vorontsov; |
| 485 | Time-dependent Gutzwiller Simulation of Floquet Topological Superconductivity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the time evolution of d-wave superconductors irradiated with CPL [Anan et al., arXiv: 2309.06069]. |
Takahiro Anan ; Takahiro Morimoto ; Sota Kitamura; |
| 486 | Gapped Boundaries of 3D Bosonic Topological Orders from Mapping Class Group Representations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a way to systematically identify symmetry-enforced gaplessness of 2D bosonic theories. |
Arkya Chatterjee ; Xiao-Gang Wen; |
| 487 | Signatures of Supersymmetry in The Ν=5/2 Fractional Quantum Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we extend the SUSY description to construct wave functions of the two modes on closed surfaces, such as the sphere and torus, and we test the resulting states in large-scale numerical simulations. |
Ajit Coimbatore Balram ; Andrey Gromov ; Mikael Fremling ; Zlatko Papic ; Songyang Pu; |
| 488 | Probing THz Magnetic Optical Response in Two-dimensional Correlated Mott Insulator Using Time-dependent Wannier Functions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss ramifications on realistic materials with non-trivial quantum geometry. |
Wai Ting Tai ; Martin Claassen; |
| 489 | 3-Loop Braiding and Topological Charge from Membrane Operators in 3+1d Twisted Lattice Gauge Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss the 3+1d twisted lattice gauge theory model, which is a Hamiltonian realization of the Dijkgraaf-Witten topological field theory. |
Joe Huxford ; Yong-Baek Kim ; Dung Nguyen; |
| 490 | Topological Green’s Function Zeros Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, topological bands of Green’s function zeros have recently attracted substantial interest. Here, we present an analytically tractable model displaying such topological bands of zeros in the fermionic Green’s function when the system is tuned to a topologically ordered phase. |
Steffen Bollmann ; Chandan Setty ; Urban Seifert ; Elio König; |
| 491 | Berry Curvature and Topological Characterization for Strongly Correlated Electron Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, in strongly correlated systems, in particular where the quasiparticle picture fails, Bloch functions cannot be used and no suitable alternative approaches are available. Here we fill this void by developing a Green’s function approach. |
Chandan Setty ; Fang Xie ; Shouvik Sur ; Lei Chen ; Maia Vergniory ; Silke Paschen ; Jennifer Cano ; Qimiao Si; |
| 492 | Weyl-Kondo Semimetals in The Quantum Critical Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show [3] that Weyl-Kondo semimetal develops near a quantum critical point in a Kondo lattice system. We present the properties and topological signatures of this state. |
Lei Chen ; Qimiao Si ; Haoyu Hu; |
| 493 | Density Oscillation of Laughlin Quasihole Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show that the complex density distribution of Laughlin quasiholes in real space can be modeled with a simple damped oscillation in the occupation-number space, which are fully determined by two characteristic length scales, the decay length and oscillation wave vector. |
Guangyue Ji ; Koyena Bose ; Ajit Balram ; Bo Yang; |
| 494 | Duality on The Lattice and Application to Gapped/gapless Topological Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce the way to construct lattice models for various types of topological phases using dualities. |
Takamasa Ando; |
| 495 | Spin-flip Excitation and Negative Energy Dispersion in Rotating Bose Atoms Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I have considered short-ranged Poisson-Teller (PT) interactions between the Bose atoms as well as long range Coulomb interactions to compare the nature of the spectra with FQHE of electrons. |
Moumita Indra; |
| 496 | The Formalism of Conformal Hilbert Spaces and Scale-free Interaction in Fractional Quantum Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we propose a unified framework in understanding the integer and fractional quantum Hall systems via Hilbert space truncation. |
Bo Yang; |
| 497 | Exactly Solvable Anyonic Interferometer on A Single Edge of A Topological Liquid Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce an alternative version of the Mach-Zehnder interferometer [1] in which the quasiparticles tunnel between co-propagating chiral channels on the edges of quantum Hall liquid at the bulk filling factors $ u= n/(2n + 1)$. |
Navketan Batra ; Zezhu Wei ; Smitha Vishveshwara ; D. Feldman; |
| 498 | Exciton Localization in Dodecagonal Quasi-crystal WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Quasicrystalline lattices, which lack transnational symmetry, impose unique influence on the electronic and excitonic states within them. Here, we study excitons in quasi-crystal WSe 2 and how they evolve with doping and electric field. |
Zhida Liu ; Qiang Gao ; Yanxing Li ; Xiaohui Liu ; Fan Zhang ; Dongseob Kim ; Yue Ni ; Miles Mackenzie ; Hamza Abudayyeh ; Kenji Watanabe ; Takashi Taniguchi ; Chih-Kang Shih ; Eslam Khalaf ; Xiaoqin Elaine Li; |
| 499 | Second-order Correlation Measurements of Electrically Generated Interlayer Excitons in Atomically Thin Semiconductor Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We can further tune the relative electron-hole imbalance with electrostatic gates to study the formation of IEs interacting with an underlying Fermi sea. We combine electroluminescence experiments, photoluminescence spectroscopy, and second-order correlation measurements to study the nature of these strongly driven non-equilibrium states. |
Andres Mier Valdivia ; Nadine Leisgang ; Andrew Joe ; Pavel Dolgirev ; Dapeng Ding ; Jue Wang ; Daniel Rhodes ; Bumho Kim ; Song Liu ; Kenji Watanabe ; Takashi Taniguchi ; James Hone ; Mikhail Lukin ; Hongkun Park ; Philip Kim; |
| 500 | Indirect Bandgap MoSe2 Resonators for Light-emitting Nanophotonics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we present a new type of stand-alone TMD nanocavity that serves as a source of excitonic photoluminescence. |
Bogdan Borodin; |
| 501 | Taming Mid-infrared Light-matter Interaction with Van Der Waals Nanostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study reveals that enhanced light-materials interactions can be achieved within hBN at both sides of the hyperbolic transition, allowing access to multiple resonances across a broad wavelength range and thus enabling efficient control and manipulation of mid-infrared radiation and absorption. |
Haonan Ling ; Milad Nourbakhsh ; Vincent Whiteside ; Joseph Tischler ; Artur Davoyan; |
| 502 | Mapping The Time-Dependent Dispersion Curve of Cavity-Embedded WS2 Monolayers with Ultrafast Reflectance Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present the ultrafast transient response of a large-area (~mm) WS 2 ML embedded in a metallic cavity measured with high resolution (<1°) along the in-plane wavevector, k. |
Veronica Policht ; Jose Fonseca Vega ; Samuel LaGasse ; Nicholas Proscia ; Jeremy Robinson ; Cory Cress ; Paul Cunningham; |
| 503 | Finite-element Simulations of Hyperbolic Plasmon Polaritons in 1T’ WTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, it was discovered that 1T’ WTe 2 supports hyperbolic SPPs with a unique hyperbola-shaped wavefront, allowing for efficient directional control. In this work, we systemically explore these hyperbolic modes with finite-element simulations. |
YUANCHEN CHI ; Eric Beery ; Yilong Luan ; Zhe Fei; |
| 504 | Observation of Exciton-polariton Nano-laser in Encapsulated Bilayer WS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: With the strong binding energy of excitons in 2D TMD materials, we envision the eventual realization of robust nanolasers operating at room temperature. |
Qi Yao ; Jonathan Beaumariage ; Zheng Sun ; Daniel Vaz ; Kenji Watanabe ; Takashi Taniguchi ; Yuening Fan ; David Snoke; |
| 505 | Phonon Assisted Absorption in Transition Metal Dichalcogenides Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a model for the phonon assisted absorption where the low energy electronic excitations are coupled to the relevant phonon modes. |
Vivek Aji ; Yifan Liu ; Robert Dawson; |
| 506 | Emergence of Spin-forbidden Dark Excitons in Monolayer TMDs Under A Vortex Beam Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a theoretical analysis of the interaction between the monolayer TMDs and the vortex beams with finite orbital angular momenta. |
Omadillo Abdurazakov ; Chunqiang Li ; Yun-Pil Shim; |
| 507 | Enhancing Single Photon Emission (SPE) Purity Via Design of Van Der Waals Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe here a novel paradigm for encoding strain into 2D materials to create and deterministically place SPEs in arbitrary locations with nanometer-scale precision [1]. |
Hsun-Jen Chuang ; Christopher Stevens ; Matthew Rosenberger ; Sungjoon Lee ; Kathleen McCreary ; Joshua Hendrickson ; Berend Jonker; |
| 508 | Quantum Emitters in Strain-induced Defects in Monolayer WSe2: Fabrication and Characterization of Dimple Dot Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we describe the experimental realization of quantum emitters in monolayer WSe2 by fabricating quantum devices with mechanically induced strain defects. |
Garrett Kitterman ; Casper McPherson ; Pierce Fix ; Dalton Forbes ; Michael Mastalish ; Ashby Phillip John ; Nathan Sawyers ; Dharmraj Kotekar Patil ; Nick Borys ; Hugh Churchill; |
| 509 | Fully Electrical Exciton Quantum Confinement in Zero-dimensional Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Due to the limitations of current fabrication techniques, a key requirement in these applications that has remained unmet, is the realization of emitters that are identical, individually addressable, and bright. Here, we overcome this hurdle and realize fully tunable QDs for excitons in a monolayer transition metal dichalcogenide semiconductor. |
Deepankur Thureja ; Emre Yazici ; Tomasz Smolenski ; David Norris ; Martin Kroner ; Atac Imamoglu; |
| 510 | Electronic Properties of Two-Dimensional Transition Metal Dichalcogenides and HBN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To understand the electronic properties and lifetime of photoluminescence (PL) in hBN, which is part of the family of 2-dimensional materials, we used photoluminescence (PL) and time-resolved photoluminescence (TR-PL) spectroscopy. |
Aryan Chugh ; Ioannis Chatzakis; |
| 511 | Vectorial Nanocurrents in Emerging Materials with Nanostructured Symmetries Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A variety of photocurrent responses can emerge in the presence of broken material symmetries, either intrinsically at the atomic lattice scale, within applied fields, or via … |
Jacob Pettine ; Prashant Padmanabhan ; Antoinette Taylor ; Rohit Prasankumar ; Shizeng Lin ; Hou-tong Chen; |
| 512 | Hidden Critical Points in The Two-Dimensional O(n > 2) Model: Exact Numerical Study of A Complex Conformal Field Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The presence of nearby conformal field theories (CFTs) hidden in the complex plane of the tuning parameter was recently proposed as an elegant explanation for the ubiquity of “weakly first-order” transitions in condensed matter and high-energy systems. In this work, we perform an exact microscopic study of such a complex CFT (CCFT) in the two-dimensional O(n) loop model. |
Omid Tavakol ; Arijit Haldar ; Thomas Scaffidi ; Han Ma; |
| 513 | A Quantum Monte Carlo Study of The Random Field Ising Model in A Transverse Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the random field Ising model in a transverse field, using the continuous-time quantum Monte Carlo method with a Wolff cluster update. |
Yuxin Sun ; Erica Carlson; |
| 514 | Magnetization Dynamics and Peierls Instability in Topological Josephson Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study a long topological Josephson junction with a ferromagnetic strip between two superconductors. |
Adrian Reich ; Erez Berg ; Joerg Schmalian ; Alexander Shnirman; |
| 515 | Novel Measurement-induced Behavior in A Gapless Parent of The 1D Cluster State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Projectively measuring half of the sites has been shown to convert its ground state, after a decoding protocol, into a long-range-ordered GHZ state. We introduce a gapless parent Hamiltonian for the SPT and consider the analogous fate of the ground state under such projective measurements. |
Yue Liu ; David Mross ; Jason Alicea; |
| 516 | Lieb-Schultz-Mattis Anomalies and Web of Dualities Induced By Gauging in Quantum Spin Chains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we provide a systematic diagnostic for LSM anomalies in one spatial dimension. |
Ömer Mert Aksoy ; Christopher Mudry ; Akira Furusaki ; Apoorv Tiwari; |
| 517 | Cooper-Pair Localization in The Magnetic Dynamics of A Cuprate Ladder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To date, their study has been hampered by the difficulty in connecting theoretical models and experiment together. Here, we revisit this outstanding problem by combining inelastic neutron scattering measurements of Sr2.5Ca11.5Cu24O41 – a prototypical doped spin ladder which shows both charge density wave formation and superconductivity under pressure – with density matrix renormalization group calculations of the dynamical spin structure factor of an extended Hubbard model. |
David Tennant ; Cristian Batista ; Vikram Sharma ; Allen Scheie ; Pontus Laurell ; Gonzalo Alvarez ; Elbio Dagotto ; Alexander Kolesnikov ; Garrett Granroth ; Bella Lake ; Jun Akimitsu; |
| 518 | Orbital-selective Mott Physics, Block Magnetic States, and Ferromagnetism in Iron Chain Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we systematically studied the quasi-one-dimensional iron chain Ce2O2FeSe2 based on a multiorbital Hubbard model using the most accurate many-body numerical methods, the density matrix renormalization-group (DMRG) technique. |
Ling-Fang Lin ; Yang Zhang ; Gonzalo Alvarez ; Jacek Herbrych ; Michael McGuire ; Andrew May ; Adriana Moreo ; Elbio Dagotto; |
| 519 | Bond Ordering in Flux Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that time-reversal symmetry and translational symmetry can be broken by various interaction driven flux patterns, turned by interaction strength and the filling factor. |
Yifan Liu ; Vivek Aji; |
| 520 | E-T Duality of Composite Fermion Wigner Solid in Two Dimensional Hole Gas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report non-linear differential conductance around and states in GaAs/AlGaAs quantum well (QW) 2DHGs, which in accord with the feature of type-Ⅱ CFWS. |
Yu-Jiang Dong ; Xinghao Wang ; Weiliang Qiao ; Rui-Rui Du ; Loren Pfeiffer ; Kirk Baldwin ; Kenneth West; |
| 521 | Extraordinary Size Effect on CaRuO3 Ultrathin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop the 2-dimensional electronic systems to grow CaRuO 3 ultrathin films. |
Masahito Sakoda ; Hiroyoshi Nobukane ; Shuhei Shimoda ; Satoshi Tanda; |
| 522 | Thermally Induced Localization of Dopants in A Magnetic Spin Ladder Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The motion of a hole – the dopant – is initialized by suddenly removing a spin from the thermal spin ensemble, which then moves along the ladder via nearest neighbor hopping t. I find that the hole remains localized for all values of J/t and for all nonzero temperatures. |
Kristian Knakkergaard Nielsen; |
| 523 | Imaging Twisted MoTe2 with Scanning Tunneling Microscopy: Part 1 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we summarize our efforts towards creating ultra-clean and gate-tunable tMoTe 2 samples for STM/S characterization. |
Keng Tou Chu ; Ellis Thompson ; Florie Mesple ; Chaowei Hu ; Heonjoon Park ; Jiaqi Cai ; Takashi Taniguchi ; Kenji Watanabe ; Jiun-Haw Chu ; Xiaodong Xu ; Matthew Yankowitz; |
| 524 | Imaging Twisted MoTe2 with Scanning Tunneling Microscopy: Part 2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present direct visualization of the flat bands in tMoTe 2 with spatially resolved scanning tunneling microscopy and spectroscopy (STM/S) measurements acquired at different energies and band fillings. |
Ellis Thompson ; Florie Mesple ; Keng Tou Chu ; Chaowei Hu ; Heonjoon Park ; Jiaqi Cai ; Takashi Taniguchi ; Kenji Watanabe ; Jiun-Haw Chu ; Xiaodong Xu ; Matthew Yankowitz; |
| 525 | High-resolution Potential Imaging Using The Atomic SET – Part I Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Based on the quantum twisting microscope (QTM), it uses a single atomic defect embedded in a pristine van der Waals interface as the smallest scanning detector of electrostatic potentials. In Part I, I will present the operating principle of this novel probe and how its different modalities expand our toolset for understanding quantum materials. |
Uri Zondiner ; Dahlia Klein ; John Birkbeck ; Alon Inbar ; Jiewen Xiao ; Takashi Taniguchi ; Kenji Watanabe ; Shahal Ilani; |
| 526 | High-resolution Potential Imaging Using The Atomic SET – Part II Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The Atomic SET, a nanoscale charge sensor built upon the quantum twisting microscope (QTM) geometry, is an ideal tool to examine these questions in detail. In this talk, I will present our latest scanning Atomic SET experiments that probe these vdW systems with ultra-high resolution electrostatic imaging. |
Dahlia Klein ; Uri Zondiner ; John Birkbeck ; Alon Inbar ; Amit Keren ; Jiewen Xiao ; Takashi Taniguchi ; Kenji Watanabe ; Shahal Ilani; |
| 527 | Local Characterization of Correlated States in An MoTe2 Twisted Bilayer Moiré Superlattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have used scanning tunneling microscopy/spectroscopy (STM/S) to examine the local electronic states in gate-tunable twisted MoTe 2 (t-MoTe 2) devices. |
Aining Hu ; Dhanvanth Balakrishnan ; Tiancong Zhu ; Yi-Fan Zhao ; Kenji Watanabe ; Takashi Taniguchi ; Alex Zettl ; Feng Wang ; Michael Crommie; |
| 528 | Large Angle Commensurate Moiré Crystals in Twisted Bilayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using valley-resolved tunneling spectroscopy [4] in combination with first-principle calculations, we present direct evidence of robust interlayer and intralayer interactions in large-angle twisted bilayer WSe 2 which reasonably explains the transport phenomena observed in this system. This study shows intricate electronic configurations of large angle commensurate WSe 2, close to the VBM, positioning them as promising candidates for gated, precision-tuned optical and transport studies. |
Yanxing Li ; Fan Zhang ; Viet-Anh Ha ; Yu-Chuan Lin ; Chengye Dong ; Hyunsue Kim ; Joshua Robinson ; Feliciano Giustino ; Chih-Kang Shih; |
| 529 | Influence of Atomic Relaxations on The Moiré Flat Band Wavefunctions in Antiparallel Twisted Bilayer WS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, scanning tunneling microscopy is used to image bilayer WS 2 marginally twisted off of antiparallel alignment. |
Laurent Molino ; Leena Aggarwal ; Indrajit Maity ; Ryan Plumadore ; Johannes Lischner ; Adina Luican-Mayer; |
| 530 | Visualizing Structure of Correlated Ground States Using Collective Charge Modes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will demonstrate how the real-space structure of collective charge oscillations of the correlated orders can directly encode information about the structure of the correlated state, focusing in particular on the problem of generalized Wigner crystals in moiré TMDs. |
Michal Papaj ; Guangxin Ni ; Cyprian Lewandowski; |
| 531 | Magnetic Imaging of Integer and Fractional Chern Insulators in TMoTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use nanoSQUID microscopy to measure the local magnetization of tMoTe 2 as a function of the gate-tuned density and electronic displacement field. |
Evgeny Redekop ; Canxun Zhang ; Heonjoon Park ; Jiaqi Cai ; Eric Anderson ; Owen Sheekey ; Trevor Arp ; Ruoxi Zhang ; Grigory Babikyan ; Samuel Salters ; Xiaodong Xu ; Andrea Young; |
| 532 | Chemical Potential Evolution of A Doped Mott Insulator in A Semiconductor Moiré Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will describe direct chemical potential measurements of a prototypical moiré lattice system that realizes a Mott insulating phase at moiré filling factor ν = -1. |
Jiachen Yu ; Carlos Kometter ; Ziyan Zhu ; Takashi Taniguchi ; Kenji Watanabe ; Brian Moritz ; Thomas Devereaux ; Ben Feldman; |
| 533 | Twisted WSe2 As A Candidate Chern Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on experimental evidence that twisted WSe 2 bilayers might be another good candidate. |
Fan Zhang ; Yanxing Li ; Nicolás Morales-Durán ; Wang Yao ; Jung-Jung Su ; Yu-Chuan Lin ; Chengye Dong ; Hyunsue Kim ; Joshua Robinson ; Allan MacDonald ; Chih-Kang Shih; |
| 534 | Odd-parity Nematic Phase Above The Charge Density Wave Transition in A Kagome Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we present experimental evidence for the manifestation of an odd-parity electronic nematic state in CsV3Sb5, which appears at a temperature above the charge-density wave. |
Tomoya Asaba ; Asato Onishi ; Yoichi Kageyama ; Toshiki Kiyosue ; Kenichi Otsuka ; Shota Suetsugu ; Yuhki Kohsaka ; Tobi Gaggl ; Yuichi Kasahara ; Hinako Murayama ; Kenichiro Hashimoto ; Rina Tazai ; Hiroshi Kontani ; Brenden Ortiz ; Stephen Wilson ; Qing Li ; Hai-Hu Wen ; Takasada Shibauchi ; Yuji Matsuda; |
| 535 | Tuning of Superconductivity in Kagome Metal AV3Sb5 (A = K, Rb, Cs) By Compressive and Tensile Biaxial Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, I will show our results on the biaxial strain tuning of the AV 3Sb 5. |
Tsz Fung Poon ; King Yau Yip ; Kai Ham Yu ; Siu Tung Lam ; Chun Wai Tsang ; Lingfei Wang ; Kwing To Lai ; Swee K Goh; |
| 536 | Annealing Tuned Charge-density-wave Order in The Kagome Metal FeGe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate a series of post annealed FeGe crystals using the high-resolution dilatometry, calorimetry and magnetization measurements, as well as by single crystal x-ray diffraction. |
Liran Wang ; Frederic Hardy ; Michael Merz ; Christoph Meingast ; Xinrun Mi ; Xintong Chen ; Mingquan He ; Xueliang Wu ; Yisheng Chai ; Aifeng Wang; |
| 537 | Evolution of The Fermi Surface Structure of The Kagome Superconductor CsV3Sb5 Under Pressure Revealed By Quantum Oscillation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the evolution of Fermi surface properties in CsV 3Sb 5 by the Shubnikov de Haas oscillations under hydrostatic pressure up to 2 Gpa. |
Yuhang Zhang ; Ziyi Liu ; Zhen Zhao ; Xiaoxiao Zhang ; Jiali Liu ; Zouyouwei Lu ; Hui Chen ; Haitao Yang ; Jinguang Cheng ; Xiaoli Dong ; Hongjun Gao ; Zhongxian Zhao; |
| 538 | Superfluid Stiffness Within Eliashberg Theory: The Role of Vertex Corrections Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: It has long been known that the superfluid stiffness of a Galilean invariant system at $T=0$ must be $D_s = n/m$ with $n$ the total electron density and $m$ the bare electron mass. … |
Zachary Raines ; Shang-Shun Zhang ; Andrey Chubukov; |
| 539 | Quantitative Assessment of The Universal Thermopower in The Hubbard Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using determinant quantum Monte Carlo, we demonstrate agreement between Hubbard model calculations and experimentally measured room-temperature S across multiple cuprate families, both qualitatively in terms of the doping dependence and quantitatively in terms of magnitude. |
Wen Wang ; Jixun Ding ; Edwin Huang ; Brian Moritz ; Thomas Devereaux; |
| 540 | Comparing Pair-field Susceptibilities in The Single-band and Three-band Hubbard Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we perform DQMC simulation of the three-band Hubbard model, includimg an explicit treatment of the oxygen p-orbitals, and focus on the pair-field susceptibility. |
Rong Zhang ; Sijia Zhao ; Wen Wang ; Tianyi Liu ; Brian Moritz ; Edwin Huang ; Thomas Devereaux; |
| 541 | Unbiased Numerical Transport Study of Three-band Hubbard Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we show, by using determinant quantum Monte Carlo (DQMC) simulations of the three-band Hubbard model, that while single band has a strikingly linear T behavior, the three-band model shows a low temperature curvature indicating a crossover to a lower resistive state. |
Sijia Zhao ; Rong Zhang ; Wen Wang ; Tianyi Liu ; Brian Moritz ; Edwin Huang ; Thomas Devereaux; |
| 542 | Spin-Nernst Effect and Spin-Seebeck Effect in Time-Reversal Invariant Topological Superconductors and Non-Unitary Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, there are few direct experimental probes of spin chirality and Cooper pair spin magnetization. In this talk, we propose such probes, showing that the spin-Nernst effect and the spin-Seebeck effect are directly related to the spin chirality and net spin moment of the Cooper pairs respectively. |
Taiki Matsushita ; Takeshi Mizushima ; Yusuke Masaki ; Satoshi Fujimoto ; Jiei Ando ; Ilya Vekhter; |
| 543 | Revisiting Electromagnetic Response of Superconductors in Mean-field Approximation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the effect of correlated hopping interactions toward the electromagnetic response of superconductors. |
Changgeun Oh ; Haruki Watanabe; |
| 544 | Drude Peak Displacement By Quantum Acoustics Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The interaction of electrons with lattice vibration has a central role in numerous phenomena in condensed matter; yet this is often overlooked when regarding the puzzling features … |
Xiaoyu Ouyang ; Joonas Keski-Rahkonen ; Eric Heller ; Anton Graf ; Alhun Aydin ; Shaobing Yuan; |
| 545 | Thermoelectric Effects Arising from Particle-hole Symmetry Breaking Near Vortices in Type-II Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We numerically study the Bogoliubov-de-Gennes (BdG) equation to derive the thermoelectric response of a single vortex in a low magnetic field regime. |
Alok Nath Singh ; Bibek Bhandari ; Alessandro Braggio ; Francesco Giazotto ; Andrew Jordan; |
| 546 | Tunneling Spectroscopy in Strongly Interacting Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study tunnelling conductance across a normal metal-superconducting (N-S) junction for a strongly interacting superconductor across a BCS-BEC crossover using non-equilibrium field theory. |
Rajdeep Sensarma ; Saurav Suman ; Mohit Randeria; |
| 547 | Anisotropy of A Cubic Synthetic Mineral Superconductor Rh17S15 in A Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently we showed that the superconducting state of miassite is unconventional, with line nodes in the superconducting gap [3]. To get an additional insight into this exotic superconducting material we studied the anisotropy of the upper critical field using magnetization and electrical resistivity measurements. |
Makariy Tanatar ; Elizabeth Krenkel ; Sergey Bud’ko ; Paul Canfield ; Ruslan Prozorov; |
| 548 | Broken Screw Rotational Symmetry in The Near-surface Electronic Structure of Nodal Line Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we present an extensive ARPES study of the differences between the near-surface electronic structure and the bulk structure hosting nodal lines. |
Hiroaki Tanaka ; Shota Okazaki ; Masaru Kobayashi ; Yuto Fukushima ; Yosuke Arai ; Takushi Iimori ; Mikk Lippmaa ; Kohei Yamagami ; Yoshinori Kotani ; Fumio Komori ; Kenta Kuroda ; Takao Sasagawa ; Takeshi Kondo; |
| 549 | Spectroscopic Evidence of Ideal Kramers Nodal Line Metals in An Intercalated Transition Metal Dichalcogenide Family Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here using ARPES, spin-ARPES, circular dichroism ARPES, and first-principles calculations, we demonstrate the existence and spin texture of the KNL state in three isostructural intercalated transition metal dichalcogenide compounds, a material family also showing superconductivity and charge density waves at lower temperatures. |
Yichen Zhang ; Yuxiang Gao ; Xingyao Guo ; Xuejian Gao ; Jianwei Huang ; Yucheng Guo ; Sung-Kwan Mo ; Marta Zonno ; Sergey Gorovikov ; Jonathan Denlinger ; Anil Rajapitamahuni ; Elio Vescovo ; Donghui Lu ; Makoto Hashimoto ; Kam Tuen Law ; Emilia Morosan ; Ming Yi; |
| 550 | Electronic Structure in A Rare-earth Based Nodal-line Semimetal Candidate PrSbTe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study contributes to the understanding of the pivotal role played by spin-orbit coupling in the context of RESbTe family of materials. |
Sabin Regmi ; Iftakhar Bin Elius ; Anup Pradhan Sakhya ; Milo Sprague ; Mazharul Islam Mondal ; Nathan Valadez ; Volodymyr Buturlim ; Kali Booth ; Tetiana Romanova ; Krzysztof Gofryk ; Andrzej Ptok ; Dariusz Kaczorowski ; Madhab Neupane; |
| 551 | Manifestation of Correlated Electronic Structure in A Kagome Metal YbTi3Bi4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the discovery of a new Ti-based kagome metal YbTi 3Bi 4 which is characterized using angle-resolved photoemission spectroscopy (ARPES) and magneto-transport, in combination with density functional theory calculations. |
Anup Pradhan Sakhya ; Brenden Ortiz ; Barun Ghosh ; Milo Sprague ; Mazharul Islam Mondal ; Matthew Matzelle ; Iftakhar Bin Elius ; Nathan Valadez ; David Mandrus ; Arun Bansil ; Madhab Neupane; |
| 552 | Experimental Mapping of The Electronic Band Structure in TaNi2Te3: A Quasi-1D Van Der Waals Topological Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation we offer insights from our photoemission studies, specifically employing microARPES and NanoESCA techniques. |
Michael Terilli ; Mikhail Kareev ; Tsung-Chi Wu ; Jak Chakhalian ; Shang Ren ; Jinwoong Kim ; David Vanderbilt ; Daniel Baranowski ; Simone Mearini ; Vitaliy Feyer ; Aaron Bostwick ; Christopher Jozwiak ; Eli Rotenberg; |
| 553 | Charge-dependent Surface States of Bismuth Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We utilize angle-resolved photoemission spectroscopy (ARPES) to carefully investigate the electronic structures on different surfaces of Bismuth, a representative of higher-order topological insulators. |
SHANMEI HE; |
| 554 | Spectroscopic and Atomic Structure of Novel Ternary Pnictides By ARPES and STM Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present angle-resolved photoemission spectroscopy (ARPES) and scanning tunneling microscopy and spectroscopy (STM/STS) studies of novel ternary pnictides which probe the electronic, lattice, and magnetic structure. |
Morgaine Mandigo-Stoba ; J Green ; Kuan-Yu Wey ; Asari Prado ; Christopher Jozwiak ; Aaron Bostwick ; Eli Rotenberg ; Ni Ni ; Christopher Gutierrez; |
| 555 | Non-trivial Quasi-one-dimensional Surface State in NbNiTex Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By combining angle-resolved photoemission spectroscopy (ARPES), spin-resolved ARPES (SARPES), scanning tunnelling microscopy (STM) and first-principles calculations, we have studied the electronic band structure, atomic structure and spin polarization of a topological material candidate NbNiTex. |
Qi Lu; |
| 556 | A Spin-resolved Photoemission Study of The Transition-metal Pentatelluride ZrTe5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Spin-resolved ARPES is uniquely capable of visualizing the spin texture of electronic band structure, but has not been extensively performed on ZrTe 5 due to the difficulty of performing measurements at the requisite resolution to yield new insights into its topology. Here, we employ high-resolution spin-resolved ARPES to observe the spin texture of the surface electronic structure of ZrTe 5, revealing spin-polarized bands and shedding further light on the manifestations of spin-orbit physics to the topological nature of this material. |
Erin Fleck ; Jason Qu ; Xue Han ; Dongyu Liu ; Cong Li ; Oscar Tjernberg ; Youguo Shi ; Jonathan Sobota ; Zhi-Xun Shen; |
| 557 | Electronic Structure of Strain- and Thickness- Tuned Epitaxial Α-Sn1-xGex Thin Films As Studied By ARPES and Spin-ARPES Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find evidence of the confinement-induced 3D TI phase in compressive strained α-Sn. |
Aaron Engel ; Hadass Inbar ; Connor Dempsey ; Paul Corbae ; Shinichi Nishihaya ; Alexei Fedorov ; Makoto Hashimoto ; Donghui Lu ; Christopher Palmstrom; |
| 558 | Is SmB6 A Topological Kondo Insulator? Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Kondo insulators mix local and itinerant states of opposite parity and can in this way give rise to topological insulator phases [1], as initially suggested for SmB 6 [2]. While … |
Oliver Rader ; Peter Hlawenka ; Konrad Siemensmeyer ; Eugen Weschke ; Andrei Varykhalov ; Jaime Sánchez-Barriga ; Natalia Shitsevalova ; V. Filipov ; Slavo Gabáni ; Emile Rienks; |
| 559 | On The Origin of Circular Dichroism in Angular Resolved Photoemission from Graphene, Graphite, and WSe2 Family of Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Therefore, it is important to understand how non-vanishing CD-ARPES signal arises in graphene, a material where Dirac bands are made from C 2p z orbitals that carry zero OAM, spin-orbit-coupling (SOC) can be neglected, and Berry curvature effectively vanishes. On this example, within the dipole approximation, we discuss various contributions to the CD-ARPES [1] which include phase shifts of the participating partial waves in the atomic photoionization [2], the finite inelastic-mean-free-path induced CD [3], the interatomic phase shifts in the far field [4], and the CD due to multiple scattering of the excited electron [5]. |
Lukasz Plucinski; |
| 560 | Proximity-induced Superconductivity and Pairing in Topological Sb2Te3 Films on Niobium Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using our novel cleavage‑based “flip‑chip” approach, we report the fabrication of topological Sb 2Te 3 thin films having predetermined layer thicknesses of 3‑7 quintuple layers on bulk superconducting Nb. |
Joseph Hlevyack ; Sahand Najafzadeh ; Yao Li ; Tsubaki Nagashima ; Akifumi Mine ; Meng-Kai Lin ; Soorya Suresh Babu ; Jinwoong Hwang ; Ji-Eun Lee ; Sung-Kwan Mo ; James Eckstein ; Shik Shin ; Kozo Okazaki ; Tai-Chang Chiang; |
| 561 | Electronic Structure of Monolayer Pb on SiC Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The Kane-Mele model suggests that graphene is a QSHI. |
Kyungchan Lee ; Simon Moser ; Martin Kamp ; Bing Liu ; Cedric Schmitt ; Jonas Erhardt ; Ralph Claessen; |
| 562 | Topological Quantum Well States in Pb/Sb Thin-Film Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A superlattice approach is employed to accurately calculate the electronic band structures of Pb/Sb to account for sizeable lattice mismatch between Sb and Pb. |
Yao Li ; Yang-hao Chan ; Joseph Hlevyack ; John Bowers ; Mei-Yin Chou ; Tai-Chang Chiang; |
| 563 | Superconducting Sr2RuO4 Thin Films with Record Transition Temperature Up to 2 K By Molecular-beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: [2] We characterized the Sr 2RuO 4 thin films by x-ray diffraction (XRD), atomic force microscopy (AFM), scanning transmission electron microscopy (STEM), and low-temperature transport. |
Jinkwon Kim ; Casey Kim ; Jeongkeun Song ; Darrell Schlom; |
| 564 | Growth of Superconducting Sr2RuO4 Thin Films Via Thermal Laser Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, to date it has proven experimentally challenging to achieve simultaneous control of multiple laser based elemental sources with the flux stability and systematic fidelity necessary for the growth of ternary or multernary systems of interest such as complex oxides. In order to establish the capabilities of TLE for the growth of such complex materials, we demonstrate here the successful epitaxial synthesis of several Ruddlesden-Popper phases of the Sr-Ru-O ternary oxide system via TLE. |
Brendan Faeth ; Varun Harbola ; Felix Hensling ; Lena Majer ; Yu-Mi Wu ; Hans Boschker ; Eren Suyoclu ; Peter A. van Aken ; Wolfgang Braun ; Jochen Mannhart; |
| 565 | Epitaxial Growth of Superconducting Fe(Te, Se) Films on A Threefold Magnetic Material with Hybrid Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present our findings on the structural characterization of FTS thin films grown epitaxially on a magnetic material with threefold symmetry and transport properties of heterostructure comprising a fourfold superconductor and a threefold magnetic material. |
Hee Taek Yi ; Deepti Jain ; Xiaoyu Yuan ; Debarghya Mallick ; Seongshik Oh; |
| 566 | Epitaxial Growth of La-doped BiFeO3 By Digital RF Sputtering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present the growth of epitaxial La-doped BFO by digital sputtering. |
Katelyn Lazareno ; Fengyuan Yang ; Shams Jabin ; Jose Flores ; Katelyn Lazareno ; Siddharth Rajan; |
| 567 | Integration of Electronically Reconfigurable Complex Oxide Membranes with Si Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we describe efforts to create Si-based field effect transistor devices gated by an overlying LAO/STO membrane. |
Ahmed Omran ; Ruiqi Sun ; Muqing Yu ; Kitae Eom ; Patrick Irvin ; Chang Beom Eom ; Jeremy Levy; |
| 568 | Epitaxial SrTaO3 and Heterostructures Grown By Hybrid Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: SrTaO3, a metallic perovskite oxide, possesses invaluable properties such as large SOC, high mobility, large magnetoresistance, and transparency. Integration into heterostructures … |
Brian Opatosky ; Jibril Ahmmad ; Mohamed Kandil ; PATRICK GEMPERLINE ; Ryan Comes; |
| 569 | Investigation of Interfacial Spin Transport in Chiral RhSi Epitaxial Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: RhSi, a spin-1 chiral semimetal with a noncentrosymmetric cubic B20 structure, has attracted attention as it accommodates unconventional multifold fermions that extends our understanding beyond common Dirac and Weyl fermions. In this work, we have investigated the spin-to-charge interconversion through spin pumping and inverse-spin Hall effect(ISHE) in sputter-grown epitaxial RhSi thin films and its subsequent transport across RhSi/Py interface. |
Surya Panda ; Edouard Lesne ; Anastasios Markou ; Qun Yang ; Binghai Yan ; Claudia Felser; |
| 570 | Logarithmic Temperature-Dependent Resistance of An Indium Tin Oxide Thin Film from 300 K Down to Dilution Refrigerator Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observed a strong WL peak at lower temperatures, which broadens and decreases with increasing temperatures until it disappears at about 120 K, while the carrier concentration remains constant. |
Valery Ortiz Jimenez ; Pradeep Namboodiri ; Curt Richter ; Neil Zimmerman; |
| 571 | Intercalation of Cr or Mn in Between Two VSe2 Van Der Waals Layers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, VSe 2 films are grown by van der Waals epitaxy and post-growth metal intercalation is accomplished by vacuum deposition of transition metals (TM), Cr or Mn. |
Vimukthi Pathirage ; Salma Khatun ; Sergey Lisenkov ; Kinga Lasek ; Jingfeng Li ; Sadhu Kolekar ; Manuel Valvidares ; Pierluigi Gargiani ; Yan Xin ; Inna Ponomareva ; Matthias Batzill; |
| 572 | Tuning Transport Properties Via Rare-earth Doping and Epitaxial Strain in Sr2IrO4 Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Sr 2IrO 4 is predicted to be a candidate for high-temperature superconductivity upon carrier doping, whereas extensive research has proved it challenging to obtain a metallic phase in this compound, especially in thin films. |
Jiangfeng Yang ; Wei Guo ; Zhihang Xu ; Yuwei Liu ; Haoying Sun ; Wenjie Sun ; Shengjun Yan ; Yueying Li ; Zhengbin Gu ; Jian Zhou ; Ye Zhu ; Yuefeng Nie; |
| 573 | Impact of Off-Stoichiometry on Defect Structure and Magnetism in LaCoO3 Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: By growing LaCoO3 (LCO) in a thin film geometry and imposing tensile strain via the substrate, LCO at low temperatures is transformed from a low-spin diamagnet to a ferromagnet. … |
Daniel Russell ; Rebecca Haight ; Gabriel Ortiz ; Ali Barooni ; Maryam Ghazisaeidi ; Patrick Woodward ; Fengyuan Yang; |
| 574 | X-ray Photoelectron Spectroscopy of Some Inverse Spinel Oxide Thin Films and Nanoparticles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we have been able to establish that the 2p 3/2 core level XPS spectra of AB 2O 4 materials represent surface and bulk weighted components, implying surface-to-bulk core level shifts in the binding energies of the core levels [1]. |
Peace Adegbite ; Arjun Subedi ; Detian Yang ; Xiaoshan Xu ; Peter Dowben ; Vijaya Rangari ; Sushrisangita Sahoo; |
| 575 | Homoepitaxial Sapphire for Superconducting Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Temperature and flux study was performed and an Oxygen-rich growth regime found to be beneficial for the growth of atomically smooth homoepitaxial layer. |
Manas Verma ; Vladimir Protasenko ; Huili Grace Xing ; Debdeep Jena; |
| 576 | Surface Reconstructions and Electronic Structure of Metallic Delafossite Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study epitaxial PtCoO 2, PdCoO 2, and PdCrO 2 films by combining molecular-beam epitaxy and angle-resolved photoemission spectroscopy. |
Qi Song ; Zhiren He ; Brendan Faeth ; Christopher Parzyck ; Anna Scheid ; Chad Mowers ; Qing Xu ; Jisung Park ; Matthew Barone ; Eren Suyolcu ; Peter van Aken ; Betul Pamuk ; Philip King ; Kyle Shen ; Darrell Schlom; |
| 577 | Cation-vacancy Defects and Interfacial Reconstruction in Hexagonal Ferrite Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a comprehensive study of h-LuFeO 3 thin films’ microstructure grown on different substrates and buffers: α-Al2O3, α-Al2O3/Pt, YSZ/Pt and YSZ/ITO. |
Jaume Gazquez ; Mario Villa-Navas ; Alberto Quintana ; Yunwei Sheng ; Gabriele De Luca ; Rohan Mishra ; Josep Fontcuberta; |
| 578 | Quantum Point Contacts and Interferometry in Correlated Topological States of Two-Dimensional Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will report on our progress towards patterned gating, as well as improved contacts, in two-dimensional semiconductor systems. |
Gianluca Delgado ; Heonjoon Park ; Jiaqi Cai ; David Cobden ; Xiaodong Xu; |
| 579 | Strongly Coupled Edge States and Frequency Doubling in A Graphene Quantum Hall Interferometer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By tuning the electron density from the QHE filling factors ν < 2 to ν > 7, we observe continuously modulating periodic interference phase jumps leading to apparent AB oscillation frequency doubling. |
Thomas Werkmeister ; James Ehrets ; Yuval Ronen ; Marie Wesson ; Kenji Watanabe ; Takashi Taniguchi ; Dmitri Feldman ; Bertrand Halperin ; Amir Yacoby ; Philip Kim; |
| 580 | Interference of Fractionally Charged Quasiparticles in A Graphene Quantum Hall Interferometer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, we report on observing clear Aharonov-Bohm oscillations when interfering the fractional edge in odd-denominator fillings while modulating the effective device area with electrostatic gating. |
James Ehrets ; Thomas Werkmeister ; Yuval Ronen ; Marie Wesson ; Kenji Watanabe ; Takashi Taniguchi ; Amir Yacoby ; Philip Kim; |
| 581 | 1/3 Phase Shifts in Graphene Fabry-Perot Quantum Hall Interferometers at Integer Bulk Filling Factors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present Aharonov-Bohm interferences in a high-mobility graphene FP quantum Hall interferometer. |
Wenmin Yang ; David perconte ; Benjamin Sacepe; |
| 582 | Quantum Hall Interferometry at Finite Bias with Multiple Edge Channels Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider separate cases where the inner mode or the outer mode is weakly backscattered at the tunneling contacts. |
Zezhu Wei ; Dmitri Feldman ; Bertrand Halperin; |
| 583 | Testing Non-Abelian and Abelian Statistics By Controlled Single Quasiparticle Addition to Quantum Hall Interferometers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use a Fabry-Perot interferometer equipped with a small interior top gate that allows addition or subtraction of a single encircled quasiparticle/quasihole (e.g. charge e/4). |
Robert Willett ; Loren Pfeiffer ; Kirk Baldwin ; Kirill Shtengel ; Ian Crawley; |
| 584 | Dynamics and Entanglement Properties of Anyons in The Quantum Hall Bulk Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present a study of the dynamics of anyons in the quantum Hall bulk. |
Preethi Basani ; Varsha Subramanyan ; Smitha Vishveshwara; |
| 585 | Classical Signatures in The Dynamics of Two-particle Coherent States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It is known that the time evolution of a given set of quantum states can be formulated in terms of classical dynamics over their projected effective phase space. We investigate this effective phase space and the associated Lagrangian dynamics by considering two-particle coherent states in the symmetric (bosonic) and anti-symmetric (fermionic) configurations. |
Varsha Subramanyan ; Hans Hansson ; Smitha Vishveshwara; |
| 586 | Fractional Quantum Hall Fabry-Pérot Edge-state Interferometry in Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present our findings on the effects of Coulomb interactions, bulk-edge coupling, and the interplay between charge fluctuations and anyon statistics on the observed interference patterns. |
Noah Samuelson ; Liam Cohen ; Will Wang ; Simon Blanch ; Taige Wang ; Takashi Taniguchi ; Kenji Watanabe ; Michael Zalatel ; Andrea Young; |
| 587 | Time-domain Braiding of Anyons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use artificial anyons as a probe to study the dynamics of the tunneling of bulk topological anyons in the time domain. |
Mélanie Ruelle ; Elric Frigerio ; Emmanuel Baudin ; Jean-Marc Berroir ; Bernard Placais ; Benoît Grémaud ; Thibaut Jonckheere ; Thierry Martin ; Jérôme Rech ; Antonella Cavanna ; Ulf Gennser ; Yong Jin ; Gerbold Ménard ; Gwendal Fève; |
| 588 | Studying The Non-abelian Even-denominator State in Bernal-stacked Bilayer Graphene By Scanning Tunneling Microscope Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The large gap reported in this study makes bilayer graphene an ideal platform for the future realization of topological qubits based on non-abelian anyons. |
Yuwen Hu ; Yen-Chen Tsui ; Minhao He ; Umut Kamber ; Taige Wang ; Amir Shapour Mohammadi ; Kenji Watanabe ; Takashi Taniguchi ; Zlatko Papic ; Michael Zaletel ; Ali Yazdani; |
| 589 | Non-abelian Parton States from Two Body Interactions on A Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Owing to the simplicity of their parent hamiltonians, these parton states can be rigorously analyzed in terms of clustering conditions and zero-mode counting, even though the presence of higher Landau levels prompts one to resort to a second-quantized treatment, at least in part. The same simplicity might render these states attractive candidates to be realized in quantum simulators, provided that we connect them to appropriate lattice Hamiltonians; this talk will introduce a scheme for developing discrete Hamiltonians that faithfully represent the physics of continuum mixed Landau level fractional quantum Hall states on a lattice. |
Joseph Cruise ; Alexander Seidel; |
| 590 | Fusion Mechanism for Quasiparticles and Topological Order for Quantum Hall Fluids in The Lowest-Landau-Level Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Furthermore, the approach based on second quantization allows us to generate non-local composite (generalized Read) operators that characterize topological or the so-called off-diagonal long-range order. In particular, we rigorously find concrete forms of such operators for the families of Pfaffian and Hafnian quantum states. |
Arkadiusz Bochniak ; Gerardo Ortiz ; Zohar Nussinov ; Alexander Seidel; |
| 591 | Anisotropy in GaAs/AlGaAs Heterostructures and Its Effect on Interferometer Performance Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show how the anisotropy presents in bulk heterostructure samples and how the bulk transport correlates with interferometer device performance. |
Ian Crawley ; Robert Willett ; Hasan Siddiquee ; Paloma Machain ; Loren Pfieffer ; Adbhut Gupta ; Kirk Baldwin; |
| 592 | Typical Entanglement Entropy in Systems with Particle Number Conservation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We derive the entanglement entropy of random states with a fixed particle number in any system of indistinguishable particles including fermions, bosons, spin systems and mixtures thereof. |
Yale Cheng ; Rohit Patil ; Yicheng Zhang ; Marcos Rigol ; Lucas Hackl; |
| 593 | Weak Higher Form Symmetry Breaking and Decodabiilty Transitions in Mixed State Topological Orders Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we consider topologically ordered mixed states through the lens of spontaneous symmetry breaking (SSB) tied to higher-form symmetry. |
Zhen Bi ; Jianhao Zhang ; Zhu-Xi Luo ; Carolyn Zhang ; Meng Cheng; |
| 594 | A Study of Dissipative Models Based on Dirac Matrices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we generalize Shibata and Katsura’s study (DOI: 10.1103/PhysRevB.99.174303) of a dissipative S=1/2 1d chain to two dimensions. |
Jyotsna Gidugu ; Daniel Arovas; |
| 595 | Mixed-state Quantum Anomaly and Multipartite Separability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we explore the surprising connection between symmetry-protected topology (SPT) and separability of their boundary mixed states. |
Leonardo Lessa ; Meng Cheng ; Chong Wang; |
| 596 | The Role of Conformal Symmetry and Instability in Determining The Temperature of A Causal Diamond Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the literature, it has been shown that the generator of the time evolution of a diamond observer is a non-compact SO(2,1) hyperbolic transformation generator $S$ and is intimately connected to conformal quantum mechanics (CQM). In this paper, using an explicit representation of this $S$ operator as described in the de Alfaro-Fubini-Furlan model involving the inverse square potential and the inverted harmonic oscillator potential, we explore the connection between CQM and thermality in causal diamonds via a semiclassical approach. |
Pablo Lopez-Duque ; Carlos Ordonez ; Abhijit Chakraborty ; Horacio Camblong; |
| 597 | Average Pure-State Entanglement Entropy in Spin Systems with SU(2) Symmetry Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the effect that the non-Abelian SU(2) symmetry has on the average entanglement entropy of highly excited Hamiltonian eigenstates and of random pure states. |
Rohit Patil ; Lucas Hackl ; George Fagan ; Marcos Rigol; |
| 598 | Minimally Entangled Microcanonical States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This prediction is in sharp contradiction with intuition since finite-energy-density eigenstates of such systems exhibit volume-law entanglement. To test this hypothesis, we study a chaotic quantum spin chain using a numerical algorithm to minimize von-Neumann and Rényi entanglement entropies within narrow microcanonical energy windows. |
Klee Pollock ; Anatoly Dymarsky ; Thomas Iadecola; |
| 599 | Entanglement Patterns in Many-body Quantum Systems Constrained By Spatial Locality Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I discuss how locality is imprinted in the structure of eigenstates in local Hamiltonian systems, leading to deviations from commonly-used RMT ensembles. |
Joaquin Rodriguez-Nieva; |
| 600 | Mixed-state Quantum Phases: Renormalization and Quantum Error Correction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To establish that two mixed states are in the same phase, as defined by their two-way connectivity via local quantum channels, we use the renormalization group (RG) and decoders of quantum error correcting codes. We introduce a real-space RG scheme for mixed states based on local channels which ideally preserve correlations with the complementary system, and we prove this is equivalent to the reversibility of the channel’s action. |
Shengqi Sang ; Yijian Zou ; Timothy Hsieh; |
| 601 | Exploring Quantum Chaos Through AFL Entropy: Insights from Perturbed Quantum Cat Maps Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We compare the behaviors of AFL entropy in the early time between the two regimes. |
Eric Schultz ; Laimei Nie ; Keiichiro Furuya; |
| 602 | Crystalline Average Symmetry-protected Topological Phases: Construction and Classification Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we describe the construction of crystalline ASPTs in 2 and 3 dimensions, where the crystalline symmetries are averaged. |
Sarvesh Srinivasan ; Jianhao Zhang ; Zhen Bi; |
| 603 | Dynamic Response of Dissipative Spin Chains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a linear and non-linear response formalism for free fermionic and bosonic Lindbladian systems, which we use to study magnetic excitations, quantum criticality and dynamical responses in spin chains with boundary dissipation. |
Spenser Talkington ; Martin Claassen; |
| 604 | Uranium Ditelluride and The Limits of Superconductivity in Extreme Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This evidence that high field superconductivity in UTe 2 is exceptionally robust challenges previously proposed theoretical explanations, and dramatically limits possible mechanisms for the stabilization of the high field phase. In this talk, I will present our recent finding of orphan superconductivity in “non-superconducting” UTe 2, and discuss its implications on the theoretical landscape. |
Corey Frank; |
| 605 | The Fermi Surface of UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: At high magnetic fields oscillations in the conductivity have been observed, which possess markedly different frequencies and temperature dependences than those seen in the de Haas-van Alphen effect. By comparing our magnetoconductance measurements up to 70 T with a geometrical model of the UTe 2 Fermi surface, we find that these oscillations can be well described by a quantum interference effect from quasiparticles tunnelling between the quasi-2D Fermi sheets at high fields [arXiv:2307.00568]. |
Alexander Eaton; |
| 606 | Revealing A 3D Fermi Surface and Electron-Hole Tunneling in UTe2 with Quantum Oscillations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will discuss our evidence for a relatively isotropic, small Fermi surface pocket of UTe2 via quantum oscillation measurements. |
Sheng Ran; |
| 607 | Sudden Adiabaticity Signals Reentrant Bulk Superconductivity in UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will describe an experimental study using thermal, electrical, and magnetic probes to study UTe 2 single crystals in magnetic fields of up to 55 T applied between the [010] ( b-axis) and [001] ( c-axis) directions [1]. |
Marcelo Jaime; |
| 608 | Field-induced Compensation of Magnetic Exchange As The Origin of High-field Superconductivity in UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Once the field is tilted away from the b towards the c axis, a reentrant superconducting phase emerges just above H m. In order to better understand this remarkably field-resistant superconducting phase, we conducted magnetic-torque and magnetotransport measurements in pulsed magnetic fields. |
Toni Helm ; Motoi Kimata ; Kenta Sudo ; Atsuhiko Miyata ; Markus Koenig ; Ilya Sheikin ; Alexandre Pourret ; Gérard Lapertot ; Dai Aoki ; Georg Knebel ; Joachim Wosnitza ; Jean-Pascal Brison; |
| 609 | The Phonon Thermal Hall Angle in Black Phosphorus Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The origin of phonon thermal Hall Effect observed in a variety of insulators is yet to be identified. Black phosphorus (BP) is a non-magnetic elemental insulator, displaying a … |
Kamran Behnia; |
| 610 | Phonon Thermal Hall Effect in Magnetic Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work provides systematic evidence to support that the scattering of phonons by impurities embedded within a magnetic environment could possibly be the underlying mechanism in the case of antiferromagnetic insulators. |
Lu Chen ; Marie-Eve Boulanger ; Zhi-Cheng Wang ; Fazel Tafti ; Amirreza Ataei ; Gaël Grissonnanche ; Etienne Lefrancois ; Veronique Brouet ; Louis Taillefer; |
| 611 | Phonon Thermal Hall Effect in A Metallic Spin Ice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have investigated longitudinal kappa_xx and transverse kappa_xy thermal conductivity in a metallic analog of spin ice Pr2Ir2O7. |
Yo Machida; |
| 612 | Phonon Thermal Hall Effect from Scattering Off Two-level Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In my talk, I will delve into the exploration of an extrinsic scattering mechanism of phonons called the side-jump mechanism. By focusing on this mechanism, I aim to address the question of how the phonon thermal Hall effect relates to two-point correlations in materials. |
Haoyu Guo ; Darshan Joshi ; Subir Sachdev; |
| 613 | On Thermal Transport Puzzles of Strongly Correlated Quantum Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In recent years, many unexpected magnetothermal transport signatures have been observed including large thermal Hall effects in a few important insulators (e.g., La 2CuO 4), creating puzzles in the community. In this talk I will show that the key to these puzzles lies on the phonons and how they respond to magnetic field efficiently. |
Xiao-Qi Sun; |
| 614 | Optimal Electron Trajectories Improving The Spin-shuttling Fidelity Beyond The Adiabatic Limit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we compute the energy splitting of the valley with the help of an alloy-disorder model [4] and we focus on the dephasing interaction between spin and valley. |
Alessandro David ; Lars Schreiber ; Hendrik Bluhm ; Tommaso Calarco ; Felix Motzoi; |
| 615 | Valley-splitting Mapping By Conveyor-mode Spin-coherent Single Electron Shuttling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Leveraging the spatial control granted by conveyor-mode spin-coherent electron shuttling [1], we map valley splittings at various positions in the shuttling path by detecting magnetic anticrossings of ground and excited valley states. |
Mats Volmer ; Tom Struck ; Lino Visser ; Arnau Sala ; Max Oberländer ; Bingjie Chen ; Tobias Offermann ; Ran Xue ; Jhih-Sian Tu ; Stefan Trellenkamp ; Lukasz Cywinski ; Hendrik Bluhm ; Lars Schreiber; |
| 616 | Coherent Spin Qubit Shuttling Through Germanium Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Semiconductor quantum dot qubits have seen significant progress in the high-fidelity operation of small qubit registers but establishing a compelling quantum link remains a challenge. Here, we show that a spin qubit can be shuttled through multiple quantum dots while preserving its quantum information. |
Corentin Déprez ; Floor van Riggelen-Doelman ; Chien-An Wang ; Sander de Snoo ; William Lawrie ; Nico Hendrickx ; Maximilian Rimbach-Russ ; Amir Sammak ; Giordano Scappucci ; Menno Veldhorst; |
| 617 | Benefits and Perspective of Conveyor-mode Single Electron Shuttling in Si/SiGe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a 1 µm long shuttle device, we investigate the spin coherence during conveyor-mode shuttling by separation and rejoining an EPR spin-pair. |
Lars Schreiber; |
| 618 | Bucket Brigade and Conveyor-mode Coherent Electron Spin Shuttling in Si/SiGe Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we create a quantum link by shuttling a single electron spin across a linear array of six tunnel-coupled quantum dots in an isotopically enriched 28Si/SiGe heterostructure. |
Yuta Matsumoto ; Maxim Smet ; Larysa Tryputen ; Sergey Amitonov ; Sander Snoo ; Amir Sammak ; Maximilian Russ ; Anne-Marije Zwerver ; Giordano Scappucci ; Lieven M. Vandersypen; |
| 619 | Hilbert Space Fragmentation and Scar Time Crystallinity in Driven Homogeneous Central Spin Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the stroboscopic non-equilibrium quantum dynamics of periodically driven central spin systems with XXZ-type interaction. |
Abhishek Kumar ; Rafail Frantzeskakis ; Sophia Economou ; Edwin Barnes; |
| 620 | Variability Mitigation in Epitaxial-heterostructure-based Spin Qubit Arrays Via Gate Layout Optimization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We unveil the key role of gate coverage on screening the charge traps, and propose alternative designs to minimize the variability figures. |
Biel Martinez Diaz ; Silvano De Franceschi ; Yann-Michel Niquet; |
| 621 | Fast and High-fidelity Dispersive Readout of A Spin Qubit Via Squeezing and Resonator Nonlinearity Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate dispersive measurement of an individual electron spin in a semiconductor double quantum dot that is coupled to a nonlinear microwave resonator. |
Chonfai Kam ; Xuedong Hu; |
| 622 | Proposing A New Set of Optimal Entanglement Witnesses Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present strategies, including one based on training a neural network, to make the adaptive choice of the second witness set. |
Arianna Meinking; |
| 623 | Lieb-Robinson Correlation Function in Large Qubit Chains Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Direct calculations of the LR correlation function have been limited by the exponential increase in the size of the state space with the number of qubits. We introduce a new technique that avoids this barrier by transforming the calculation to a sum over Pauli walks which results in linear scaling with system size. |
Craig Lent ; Brendan Mahoney; |
| 624 | Permutation-invariant Quantum Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show how all possible circuit elements can be constructure, the structure of the group and characterize the algebra with a symmetrized construction. |
Maximilian Mansky ; Santiago Londoño Castillo ; Claudia Linnhoff-Popien ; Victor Ramos Puigvert; |
| 625 | Approximate T-design in General Architectures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Previous works have proven that a one-dimensional brickwork architecture becomes an approximate t-design within a depth that is linear in system size. Using a cluster-linking picture, we show how to reduce more general architectures to this one-dimensional case while preserving the linear nature of the unitary t-designs. |
James Allen ; Daniel Belkin ; Soumik Ghoush ; Christopher Kang ; Sophia Lin ; James Sud ; Frederic Chong ; Bill Fefferman ; Bryan Clark; |
| 626 | Mechanically Induced Correlated Errors on Superconducting Qubits with Relaxation Times Exceeding 0.4 Milliseconds Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By introducing a novel time-resolved error detection scheme synchronized with the operation of the pulse tube cooler in a dilution refrigerator, we find that mechanical shocks from the pulse tube induce nonequilibrium dynamics in highly coherent qubits, leading to strongly correlated bit-flip errors. |
Shingo Kono; |
| 627 | Mitigation of Interfacial Dielectric Loss in Aluminum-on-silicon Superconducting Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate aluminum-on-silicon planar transmon qubits with time-averaged T1 energy relaxation times of up to 270 μs, corresponding to Q = 5 million, and a highest observed value of 501 μs. |
Janka Biznarova ; Amr Osman ; Emil Rehnman ; Lert Chayanun ; Christian Križan ; Per Malmberg ; Marcus Rommel ; Christopher Warren ; Per Delsing ; August Yurgens ; Jonas Bylander ; Anita Fadavi Roudsari; |
| 628 | Characterization of Fabrication Methods to Reach High Coherence Superconducting Quantum Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Although significant improvements in coherence time have been achieved over the last years, reaching qubit lifetimes well beyond 100 µs involves careful investigation of all fabrication steps. Here, we demonstrate that such high device qualities can be achieved by a combination of substrate cleaning, etching optimization and post-process sample cleaning. |
Leon Koch ; Niklas Bruckmoser ; David Bunch ; Ivan Tsitsilin ; Kedar Honasoge ; Thomas Luschmann ; Lasse Södergren ; Christian Schneider ; Max Werninghaus ; Stefan Filipp; |
| 629 | Improving Qubit Performance Through Engineering of The Substrate-Josephson Junction Interface Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show an example of a chemical surface treatment that modifies the Josephson Junction-substrate interface, resulting in statistically significant improvement in T1 (>25% improvement) and a reduction in the density of strongly-coupled TLS. As this treatment primarily modifies the Josephson junction-substrate interface, we perform targeted chemical, and structural characterizations of that interface and correlate those with qubit measurements. |
Cameron Kopas ; Dominic Goronzy ; Thang Pham ; Carlos G Torres Castanedo ; Matthew Cheng ; Hilal Cansizoglu ; Rory Cochrane ; Burcu Ercan ; Jin-Su Oh ; Akshay Murthy ; Ella Lachman ; Alexander Romanenko ; Anna Grassellino ; Matthew J Kramer ; Lin Zhou ; Michael Bedzyk ; Josh Mutus ; Vinayak Dravid ; Mark Hersam ; Kameshwar Yadavalli; |
| 630 | Coherence Measurements of Tantalum Based Transmon Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we discuss the design and fabrication of our Ta based transmon qubits, including the etch of the Ta thin film, the addition of the Al/AlOx/Al Josephson junction, and the cleaning methods used during the processing. |
Haozhi Wang ; Zachary Steffen ; Yi-Hsiang Huang ; Yizhou Huang ; Benjamin Palmer; |
| 631 | Coherence Correlations in Planar Fluxonium Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider data gathered for the purpose of collecting statistics on device performance, understanding how measured coherence times correlate with device parameters and achievable gate fidelities, and identifying the dominant loss mechanisms limiting device coherence. |
Kate Azar ; Thomas Hazard ; Mallika Randeria ; Jeffrey Gertler ; Renée DePencier Piñero ; Kunal L. Tiwari ; Leon Ding ; Max Hays ; Junyoung An ; Junghyun Kim ; Ilan Rosen ; Agustin Di Paolo ; David Kim ; Hannah Stickler ; Bethany Niedzielski ; Felipe Contipelli ; Jeffrey Grover ; Jonilyn Yoder ; Mollie Schwartz ; William Oliver ; Kyle Serniak; |
| 632 | Dependence of Transmon Coherence on Geometry and Interface Treatment Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we examine the effect of qubit geometry and surface preparation on qubit energy relaxation time. |
Spencer Weeden ; K. Okubo ; JT Paustin ; Robert McDermott; |
| 633 | Characterizing The Coherence of Tantalum-based Transmons and Resonators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our qubits’ and resonators’ coherence data along with supporting fabrication characterization analysis using Atomic Force Microscopy (AFM), Scanning Electron Microscopy (SEM), and Energy Dispersive X-ray Spectroscopy (EDX) to gain a better understanding of our samples’ surfaces. |
Israa Yusuf ; Jacob Repicky ; Param Patel ; Maria Nowicki ; Chung Wa Shum ; Michael Hatridge; |
| 634 | Materials Exploration Towards High Coherence Superconducting Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Superconducting quantum circuits are one of the leading platforms for quantum information processing. Tremendous progress has been made in extending the qubit lifetime over the … |
Mustafa Bal ; Francesco Crisa ; Akshay Murthy ; Sabrina Garattoni ; Shaojiang Zhu ; ZuHawn Sung ; Jaeyel Lee ; David van Zanten ; Ivan Nekrashevich ; Alexander Romanenko ; Peter Hopkins ; David Olaya ; Florent Lecocq ; Katarina Cicak ; Michael Vissers ; Tony McFadden ; Stephen Gill ; Corey Rae McRae ; Joel Ullom ; Anna Grassellino; |
| 635 | Rhenium As A Novel Superconducting Material for Transmon Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report statistics of T1 relaxation measurements of Re qubits, and compare the results to Nb qubits as well as Re encapsulated Nb qubits. |
Francesco Crisa ; Mustafa Bal ; Shaojiang Zhu ; Jae-Yel Lee ; Akshay Murthy ; Anna Grassellino ; Alexander Romanenko ; John Zasadzinski ; Seth Rice ; Maria Iavarone ; Sabrina Garattoni; |
| 636 | Statistical Characterization of Transmon Qubit Energy Relaxation Time Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we analyze the transmon qubit T1 fluctuation as a function of the temperature. |
Shaojiang Zhu ; Xinyuan You ; Mustafa Bal ; Francesco Crisa ; Roman Pilipenko ; David Zanten ; Alexander Romanenko ; Anna Grassellino; |
| 637 | Effects of Strongly Coupled Coherent Two-level-systems on The Coherence Times of Superconducting Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a model where the strong coupling of a TLS at specific coupling angles leads to longer coherence times. |
Bhaskaran Muralidharan ; Tanveer Molla ; Manas Nagda; |
| 638 | Investigations of 1/f Magnetic Flux Noise in Superconducting Qubits with Weak Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We showed in recent experiments on aluminum C-shunt flux qubits [1] that the noise power spectrum responds anomalously to the application of weak in-plane magnetic fields. We report on the continuation of these studies, particularly focusing on advanced noise spectroscopy techniques and field-orientation dependence. |
Lamia Ateshian ; David Rower ; Max Hays ; Lauren Li ; Leon Ding ; David Kim ; Bethany Niedzielski ; Jonilyn Yoder ; Mollie Schwartz ; Terry Orlando ; Joel Wang ; Simon Gustavsson ; Jeffrey Grover ; Kyle Serniak ; Riccardo Comin ; William Oliver; |
| 639 | An Electro-opto-mechanical Transducer Implementation for Downconversion of Squeezed States of Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our device uses a macroscopic mechanical mode of a Si 3N 4 membrane as an intermediary, to couple a superconducting LC circuit to a high finesse optical Fabry-Perot cavity for carrying out efficient and low noise frequency conversion across 5 orders of magnitude. Here, we present our ongoing experimental progress towards operating one of these converter devices with the goal of connecting a squeezed light source to the optical input, and preserving the quantum correlations after conversion to microwave frequencies. |
Jacob Davidson ; Carlos Bracamontes ; Sarang Mittal ; Kazemi Adachi ; Maxwell Urmey ; Luca Talamo ; Sheng-Xiang Lin ; Sarah Dickson ; Nicholas Frattini ; Cindy Regal ; Konrad Lehnert ; Tasshi Dennis; |
| 640 | Efficient Numerical Simulation of Microwave-optical Quantum Transducers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We evaluate the power spectrum with a pulsed input by one-time correlator of an auxiliary resonator operator, which greatly reduces the computational cost, since standard methods require the evaluation of two-time correlators. |
Katsuta Sakai ; Kazuki Koshino; |
| 641 | Efficiency and Noise Characterization of An On-chip Microwave to Optical Transducer Using 171Yb3+: YVO4 Crystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present our on-going efforts on an on-chip REI-based microwave to optical transducer using 171Yb 3+: YVO 4, with integrated superconducting microwave resonators and gold reflectors. |
Tian Xie ; Rikuto Fukumori ; Andrei Faraon; |
| 642 | Millimeter-Wave to Telecom Electro-Optic Frequency Transduction on Thin-Film Lithium Niobate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: As next steps, we aim to study converted sideband asymmetry for mode thermometry and other optomechanical phenomena in the mmW regime. |
Jason Herrmann ; Kevin Multani ; Felix Mayor ; Wentao Jiang ; Erik Szakiel ; Matthew Maksymowych ; Luke Qi ; Emilio Nanni ; Amir Safavi-Naeini; |
| 643 | Microwave-to-Optical Quantum Transduction Utilizing The Topological Magnetoelectric Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we focus on the transduction via the magneto-optic Faraday effect, i.e., the light-magnon interaction. |
Akihiko Sekine ; Mari Ohfuchi ; Yoshiyasu Doi; |
| 644 | Wide-band, Tunable and High-efficiency Microwave-to-acoustics Transduction on Lithium Niobate Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose a wide-band high-efficiency transducer to perform microwave-to-acoustics transduction where an interdigital transducer (IDT) is used to couple to Lamb waves in suspended Lithium Niobate. |
Abel Hugot ; Quentin Greffe ; Franck Balestro ; Jérémie Viennot; |
| 645 | Nonlinear Microwave-optical Quantum Transduction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the possibility of generating pure single-photon pairs using SPDC with strong Kerr nonlinearity. |
Fangxin Li ; Liang Jiang; |
| 646 | Measurements of Cryogenic Mirror Thermal Noise and Its Impact on Quantum Electro-opto-mechanical Transducers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will discuss how broadband thermal noise from our cryogenically cooled Fabry-Perot mirrors contributes to noise during single-photon readout. We will present measurements of this noise in a dry cycle dilution refrigerator and discuss attempts to suppress the noise by operating phonically filtered mirrors at cryogenic temperatures. |
Luca Talamo ; Maxwell Urmey ; Sarah Dickson ; Nicholas Frattini ; Sarang Mittal ; Kazemi Adachi ; Sheng-Xiang Lin ; Konrad Lehnert ; Cindy Regal; |
| 647 | Microwave-optical Transduction at Milli-Kelvin Temperatures Using Hybrid Bulk Acoustic Resonances Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Optical and microwave drives are pulsed to enable high peak pump powers while minimizing the local thermal load on the transducer. We will present our latest measurements characterizing the conversion efficiency of this new platform and discuss next steps in boosting the efficiency, including experimental upgrades and investigating new devices with higher optomechanical coupling. |
Erin Sheridan ; Samuel Schwab ; Alaina Attanasio ; Hao Tian ; Daniel Campbell ; Michael Senatore ; Andrew Brownell ; Nicholas Barton ; Amos Smith ; Terence Blesin ; Anat Siddarth ; Rui Wang ; Tobias Kippenberg ; Sunil Bhave ; Matthew LaHaye; |
| 648 | Electromechanical Cooperativity Greater Than 1,000 in An Electro-opto-mechanical Transducer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Surpassing the quantum threshold of 1 photon of added noise can be achieved by optimization of the microwave cavity loss rate, the technical noise induced by the microwave pump, and the electromechanical coupling rate. Here, we present progress on these optimizations with the goal of ground-state cooling the mechanical mode with the electromechanical interaction, a necessary requirement for quantum-enabled microwave-to-optical transduction. |
Sarang Mittal ; Kazemi Adachi ; Maxwell Urmey ; Luca Talamo ; Sheng-Xiang Lin ; Sarah Dickson ; Nicholas Frattini ; Cindy Regal ; Konrad Lehnert; |
| 649 | Coherent Microwave Single-photon Source for A Mechanically Mediated Electro-optic Transducer Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our experimental effort to build a coherent quantum source for our mechanically-mediated transducer. |
Sheng-Xiang Lin ; Nicholas Frattini ; Robert Delaney ; Sarang Mittal ; Kazemi Adachi ; Maxwell Urmey ; Luca Talamo ; Sarah Dickson ; Brendon Rose ; Cindy Regal ; Konrad Lehnert; |
| 650 | Acoustic Probing of Spin-phonon Interactions for Solid-state Defects in The Quantum Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We develop a versatile technique to probe the resonant coupling of solid-state defects to strain in the absence of thermal motion. |
Quentin Greffe ; Jérémie Viennot ; Abel Hugot ; Franck Balestro; |
| 651 | Coherently Driving A Single Nuclear Spin Through The Resonance of A Nanomechanical Oscillator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we present a more advanced spin-mechanical device where the dynamical strain induced at the clamping point of a resonating nanoscale cantilever is used to drive single-nucleus NAR, and illustrate a method of electrically detecting the resonant frequency of the nanocantilever. |
Laura O’Neill ; Daniel Schwienbacher ; Benjamin Joecker ; Juha Muhonen ; Andrea Morello; |
| 652 | Optomechanical Quantum Bus for Donor Spins in Silicon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The mechanical system can also be used to couple spins to each other in a controlled way. In this talk, I will present the fundamental concepts for such a proposal and numerical simulations regarding its implementation in a practical system of silicon nanobeams implanted with donors. |
Juha Muhonen ; Henri Lyyra ; Cliona Shakespeare ; Antti Kanniainen ; Arvind Kumar ; Teemu Loippo ; Simeoni Ahopelto; |
| 653 | Exploring Magnetic Anisotropy in Heusler Alloys Through High-Throughput Interface Engineering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our approach employs a high-throughput screening methodology to efficiently identify optimal material combinations, paving the way for enhanced performance and functionality in spintronic applications. |
Kesong Yang; |
| 654 | Magnetically Induced Binary Ferrocene with Oxidized Iron Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, all previous attempts to oxidize the iron center in ferrocene were unsuccessful. We report results that challenge this understanding by utilizing a metal-organic framework (Co-MOF-74) as a host material. |
Saif Ullah ; Stephanie Jensen ; Yanyao Liu ; Kui Tan ; Hannah Drake ; Guoyu Zhang ; Junjie Huang ; Jiri Klimes ; Darren Driscoll ; Raphael Hermann ; Hong-Cai Zhou ; Jing Li ; Timo Thonhauser; |
| 655 | Exploring The Magnetic Landscape of Easily Exfoliable Novel 2D Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we apply an automatic workflow to systematically explore the energy landscape and identify the ground-state magnetic order of about 250 magnetic monolayers from the Materials Cloud two-dimensional materials database (MC2D). |
Fatemeh Haddadi ; Louis Ponet ; Davide Campi ; Marco Gibertini ; Nicola Marzari; |
| 656 | Efficient Calculation of Magnetocrystalline Anisotropy Using Symmetry-aware Wannier Hamiltonian<!– Notionvc: 86e8ec28-a098-49bb-8ed6-854499d2f259 –> Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed an efficient method for accurately calculating magnetic anisotropy. |
Hiroto Saito ; Takashi Koretsune; |
| 657 | Intertwining of Magnetism and Charge Ordering in Antiferromagnetic Kagome FeGe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We discuss the structural and electronic properties of FeGe. |
Sen Shao ; Guoqing Chang; |
| 658 | Novel Iron-cobalt Phosphides and Their Magnetic Properties Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work should provide guidance for future synthesis of Fe-Co-P line compounds. |
Timothy Liao ; Weiyi Xia ; Masahiro Sakurai ; Renhai Wang ; Chao Zhang ; Huaijun Sun ; Kai-Ming Ho ; Cai-Zhuang Wang ; James Chelikowsky; |
| 659 | Wannier-driven Search for Novel BCS Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For the most promising materials, we run a subsequent EPW workflow to obtain a high-quality dataset for over 300 dynamically stable structures, including spectral functions and Migdal-Eliashberg critical temperatures, from which we identify several novel candidates that can be promising for further experimental studies. |
Marnik Bercx ; Samuel Poncé ; Junfeng Qiao ; Yiming Zhang ; Giovanni Pizzi ; Nicola Marzari; |
| 660 | Designing Novel Hydride Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We employ a novel “chemical capacitor” setup that enables control of the doping level to induce metallicity via hole doping in metal hydrides and achieve superconductivity at ambient pressure conditions. |
Christopher Renskers ; Roxana Margine ; Wojciech Grochala ; Piotr Szkudlarek; |
| 661 | Theory and Discovery of Electride Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, a theoretical framework for the origin of interstitial electrons in electrides is presented. |
Chengcheng Xiao ; Arash Mostofi ; Nicholas Bristowe; |
| 662 | Understanding and Predicting High-Tc Superconductivity in Metal Borocarbides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose that Li xBC re-intercalation with select alkali and alkaline earth metals could lead to synthesis of otherwise inaccessible metastable Li xM yBC superconductors. |
Charlsey Tomassetti ; Gyanu Kafle ; Edan Marcial ; Igor Mazin ; Elena Margine ; Aleksey Kolmogorov; |
| 663 | Forward and Inverse Design of Ambient and High Pressure Superconductors Using DFT and Deep Learning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present 1) a large DFT database for both types of superconductors, 2) forward regression deep-learning models using the DFT dataset for fast screening of potential materials, 3) generative deep-learning model using diffusion approach to generate crystals with desired properties with unique structures and chemical compositions. |
Daniel Wines ; Kamal Choudhary; |
| 664 | Improved Deep Potential Model for Fast and Accurate Molecular Dynamics Simulations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present updates to the Deep Potential neural network architecture, incorporating a message-passing framework and higher-order tensor descriptors. |
Ruiqi Gao ; Roberto Car; |
| 665 | Using Polarized Mid-IR Pump-probe Spectroscopy to Identify Band-to-band Transitions in Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By using circular or linear polarization, it may make possible an unambiguous identification of bands which are connected to states near the Fermi level. In this talk we describe preliminary polarized transient reflectivity measurements from 0.3 to 1.0 eV on the Weyl semimetals WTe 2, NbIrTe 4 and MoTe 2 which exhibit derivative-like optical transitions which are distinctly different for these three different materials. |
Leigh Smith ; Fawaz Albalawi ; Giriraj Jnawali ; Brenden Ortiz ; Stephen Wilson; |
| 666 | Negative Longitudinal Magnetoresistance and Anomalous Hall Effect in The Topological Semimetal CoSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied the electrical transport behavior of CoSi crystals looking at various magneto-transport effects. |
Federico Balduini ; Adolfo Grushin ; Alan Molinari ; Lorenzo Rocchino ; Claudia Felser ; Cezar Zota ; Heinz Schmid ; Bernd Gotsmann; |
| 667 | Current-Induced Spin Accumulation and Magnetoresistance in Chiral Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, in bulk Weyl semimetals, the nodes must occur in pairs of opposite chirality and, when the nodes are at the same energy, the effect cancels out. Here we show that this cancellation is avoided in chiral semimetals, in which Weyl nodes of opposite chirality occur at different energies due to broken mirror symmetry. |
Anton Burkov ; Michael Smith ; Alexander Hickey ; Ivar Martin; |
| 668 | Interplay Between Magnetism and Charge Density Waves in Toplogical Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will give an overview and update about our work on both rare-earth tri-tellurides and di-tellurides. |
Leslie Schoop; |
| 669 | Semi-Dirac Fermions in A Topological Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work sheds light on the hidden quasiparticles emerging from the intricate topology of crossing nodal-lines. |
Yinming Shao ; Seongphill Moon ; Alexander Rudenko ; Jie Wang ; Mykhaylo Ozerov ; David Graf ; Zhiyuan Sun ; Raquel Queiroz ; Seng Huat Lee ; Yanglin Zhu ; Zhiqiang Mao ; Mikhail Katsnelson ; Dmitry Smirnov ; Andrew Millis ; Dmitri Basov; |
| 670 | Helicity-tunable Spin Hall and Spin Nernst Effects in Unconventional Chiral Fermion Semimetals (CoSi, CoGe, RhSi, RhGe) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the intrinsic spin Hall effect (SHE) and spin Nernst effect (SNE) in the CoSi family based on ab initio relativistic band structure calculations [Phys. |
Guang-Yu Guo ; Ting-Yun Hsieh ; Babu Baijnath Prasad; |
| 671 | Topological Phonons in RhSi Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study phonon excitations in RhSi by first-principles calculations based on the density functional perturbation theory (DFPT). |
Zhihao Jiang ; Dipanjan Chaudhuri ; Peter Abbamonte ; Andre Schleife; |
| 672 | Chemical Pressure-induced Topological Order: The Case of SrCd2Sb2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This technique provides a contact-free method to study spin-polarized photocurrent from topological surface states due to circular photogalvanic effect (CPGE). |
Jiunn-Yuan Lin; |
| 673 | Observation of Non-reciprocal Transport in Ca3Ru2O7 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we present our findings on non-reciprocal response in the polar bilayer ruthenate Ca 3Ru 2O 7. |
Subin Mali ; Yu Wang ; Venkatraman Gopalan ; Saugata Sarker ; Mao Zhiqiang; |
| 674 | Irradiation-Enabled Fermi-Level Control in Quantum Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present a novel technique, "irradiation," for post-growth single crystals of the Weyl semimetal TaP. |
MANASI MANDAL ; Abhijatmedhi Chotrattanapituk ; Mingda Li; |
| 675 | Probing Dirac Excitations in The Quantum Materials PtTe2 and PdTe2 Through Angle-Resolved Photoemission Spectroscopy (ARPES) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In addition to type-II Dirac fermions, PtTe 2 and PdTe 2 host topologically protected surface states. Here, we present a detailed study of these different Dirac excitations using both Density Functional Theory (DFT) Calculations and ARPES with different light polarizations. |
Mahfuzun Nabi ; Ivan Pelayo ; Derek Bergner ; Archibald Williams ; Jiayuwen Qi ; Warren Huey ; Ziling Deng ; Luca Moreschini ; Jonathan Denlinger ; Alessandra Lanzara ; Wolfgang Windl ; Joshua Goldberger ; Claudia Ojeda-Aristizabal; |
| 676 | Effects of Strain on The Berry Pole Structure of Multi-Weyl Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Such points with higher topological charge are protected by lattice symmetries in the system. We specifically focus on double or 2-WSMs and investigate the effects of anisotropic strain on such materials, including strain that explicitly breaks these lattice symmetries. |
Varsha Subramanyan ; Shizeng Lin ; Avadh Saxena; |
| 677 | Tuning The Insulator Metal Transition in Rare Earth Nickelates Through Dynamic Electrochemical Ion Insertion Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For Li xPrNiO 3, we find that increased lithium doping interrupts bond disproportionation causing a reduction in the ground state resistivity at small fractions 00.25 we observe the disproportionation transition to be destroyed and fully insulating type behavior is observed over T= 5-300K. |
Elliot Fuller ; Alan Zhang ; Catalin Spataru ; Joshua Sugar ; A. Alec Talin; |
| 678 | Crystal Structure and Bonding Patterns Leading to High Temperature Magnetic Order and Spin Canting in The Ternary Nitride MnSiN2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we discuss the magnetic ternary nitride MnSiN 2, a canted antiferromagnet with a high T N=443K. |
Alexandru Bogdan Georgescu ; Linus Kautzsch ; Danilo Puggioni ; Greggory Kent ; Keith Taddei ; Aiden Reilly ; Ram Seshadri ; Stephen Wilson ; James Rondinelli; |
| 679 | Dynamic Spectral Weight Transfer in The Multi-Orbital Hatsugai-Kohmoto Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The Hatsugai-Kohmoto (HK) model provides a rich testbed for Mott physics due to its exact diagonalizability in momentum space [1,2]. |
Gaurav Tenkila ; Philip Phillips ; Jinchao Zhao; |
| 680 | Probing The Susceptibility of The Excitonic Insulator Candidate Ta2NiSe5 Through The Elastocaloric Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present elastocaloric measurements of the material, which use strain as a tuning parameter to change the entropy of the system and hence probe order parameters which couple to strain (and their associated susceptibilities). |
Elliott Rosenberg ; Joss Ayres-Simms ; Jiun-Haw Chu; |
| 681 | A Time-Resolved Second Harmonic Generation Study of A Cuprate Mott Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report a study of the cuprate antiferromagnetic Mott insulator Ba2Cu3O4Cl2 using rotational anisotropy second harmonic generation (RA-SHG), which is sensitive to the underlying lattice and magnetic symmetries of a crystal. |
Mohammad Muntasir Hassan ; Mingyao Guo ; Kalimuthu Moovendaran ; Raman Sankar ; David Hsieh; |
| 682 | Mott Insulating Negative Thermal Expansion Perovskite TiF3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We characterize perovskite TiF 3, a material which displays significant negative thermal expansion at elevated temperatures above its cubic-to-rhombohedral structural phase transition at 330 K. |
Jason Hancock ; Donal Sheets ; Kaitlin Lyszak ; GAYANATH FERNANDO ; R. Matthias Geilhufe ; Menka Jain ; Ilya Sochnikov; |
| 683 | Order and Strain Dynamics During Electrical Melting of Charge Density Waves in TaS2 Visualized By Ultrafast Electron Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, the transition mechanisms are often debated as electric field, current, carrier injection, heat, and strain can all contribute and play varying roles across length and time scales. I will present our recent experiments which visualize and disentangle these factors for transitions in the room temperature, nearly commensurate CDW state in 1T-TaS 2. |
Daniel Durham ; Thomas Gage ; Connor Horn ; Xuedan Ma ; Haihua Liu ; Ilke Arslan ; Supratik Guha ; Charudatta Phatak; |
| 684 | Evolution of Elastocaloric Signature Across X of Cantidate Bulk Excitonic Insulator Ta_2Ni(Se_(1-x)Sx)_5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report the study of elastocalroic effect of Sulfer doped Ta2NiSe5, which probes the excitonic susceptibility via the change of temperature induced by strain in the adiabatic condition. |
Joss Ayres-Sims; |
| 685 | Exploring Strongly Correlated 2D Insulators Via Millikelvin Far-infrared Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we explore the characterization of strongly correlated gaps and low energy excitations in selected strongly correlated 2D insulators, using our recently developed milli-kelvin FIR spectroscopy instrument. |
Ayelet Uzan; |
| 686 | Ultrafast Control of The Electronic Structure of TiSe2 with Light Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we will show how the electronic structure of TiSe 2 can be precisely controlled by optical excitation as a function of time and fluence. |
Maximilian Huber ; Yi Lin ; Giovanni Marini ; Matteo Calandra ; Alessandra Lanzara; |
| 687 | Resistive Switching Localization and Tuning Via Selective Ion Irradiation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work demonstrates that local ion irradiation impacts the electronic distribution and structure of a material, and is an efficient tool for fine-tuning material properties related to RS. |
Nareg Ghazikhanian ; Javier del Valle ; Pavel Salev ; Ralph El Hage ; Yoav Kalcheim ; Coline Adda ; Erik Lamb ; Nicolo D’Anna ; IVAN SCHULLER; |
| 688 | Role of Magnetic Ions in The Thermal Hall Effect of The Paramagnetic Insulator TmVO4 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Inspired by previous studies that revealed the importance of Tb 3+ ions in generating the thermal Hall effect of Tb 2Ti 2O 7, we investigated the role of Tm 3+ ions in TmVO 4, a paramagnetic insulator with a different crystal structure. We observe a negative thermal Hall conductivity in TmVO 4 with a magnitude such that the Hall angle, | Kxy / Kxx|, is approximately 1 x 10 -3 at H = 15 T and T = 20 K, typical for a phonon-generated thermal Hall effect. |
Ashvini Vallipuram ; Lu Chen ; Emma Campillo ; manel mezidi ; Gaël Grissonnanche ; Mark Zic ; Yuntian Li ; Ian Fisher ; Jordan Baglo ; Louis Taillefer; |
| 689 | Role of Nanoscale Heterogeneties on The Metal to Insulator Transition in Rare Earth Nickelates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work, we focus on understanding the role of nanoscale heterogeneities and their fluctuations in rare earth nickelates by employing x-ray photon correlation spectroscopy (XPCS). |
Nanna Zhou Hagström ; Jugal Mehta ; FNU Meera ; Nushrat Naushin ; Surya Teja Botu ; Xiaoqian Chen ; Andrei Fluerasu ; Roopali Kukreja; |
| 690 | Thermal Conductivity Study of Charge-neutral Excitations in Topological Kondo Insulator YbB12 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: YbB 12 is a topological Kondo insulator candidate with recent reports of charge-neutral excitations and quantum oscillations at the lowest temperatures [1-3]. These reports of Fermi-like behavior are unconventional in this bulk insulator, motivating further study of such exotic bulk insulating phenomena. |
Jennifer Reid ; Shaun Froude-Powers ; Hsu Liu ; Suchitra Sebastian ; Robert Hill; |
| 691 | A Theory for Colors of Strongly Correlated Electronic Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We pick two archetypal cases as examples: NiO with green color and MnF2 with pink color, and employ two kinds of ab initio many body Green’s function theories; the first, a perturbative theory based on low-order extensions of the GW approximation, is able to explain the color in NiO, while the same theory is unable to explain why MnF2 is pink. We show its color originates from higher order spin-flip transitions that modify the optical response, which is contained in dynamical mean-field theory (DMFT). |
Swagata Acharya ; Dimitar Pashov ; Cedric Weber ; Mark van Schilfgaarde ; Alexander Lichtenstein ; Mikhail Katsnelson; |
| 692 | Tensile Nano Regions As Nucleation Centers Across The Mott Transition in La1/3Sr2/3FeO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigated the evolution of lattice across the Mott transition in perovskite La 1/3Sr 2/3FeO 3 using coherent nano diffraction. |
Yue Cao ; Travis Frazer ; Nam Nguyen ; Vijay Singh ; Dina Sheyfer ; Deshun Hong ; Changjiang Liu ; Zhan Zhang ; Zhonghou Cai ; Tao Zhou ; Martin Holt ; ANAND BHATTACHARYA ; Stephan Hruszkewycz ; Haidan Wen ; Hyowon Park; |
| 693 | Interaction-driven Mott Transition with A Non-degenerate Ground State in The Orbital Hatsugai-Kohmoto Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore an extension of this model in which orbital degrees of freedom are incorporated. |
Dhruv Kush ; Derek Pan ; Nico Hackner ; Jinchao Zhao ; Gaurav Tenkila ; Philip Phillips; |
| 694 | Quantum Cluster Embedding DMFT Description of Electron Localization in Disordered and Strongly Correlated Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Dynamical Mean Field Theory (DMFT) and its quantum cluster embedding schemes—DCA (Dynamical Cluster Approximation), CDMFT (Cluster DMFT), and TMDCA (Typical Medium DCA)—serve as robust computational tools to address the critical non-local spatial correlations posed by interaction and disorder-induced phase transitions. In this study, we use these cluster embedding DMFT methods to both two and three-dimensional Anderson and Hubbard models. |
Hanna Terletska ; SERGEI ISKAKOV ; Thomas Maier ; Emanuel Gull; |
| 695 | Reentrant Behavior of Metal-insulator Transition in AgCoxNi1-xO2 (0.33 ≤ X ≤ 0.66) Delafossite : DFT+U and Quantum Monte Carlo Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In order to treat strong on-site Coulomb interactions accurately, in this study we use Quantum Monte Carlo (QMC) simulations to obtain accurate estimates for the electronic and magnetic properties of AgNiO 2. |
Hyeondeok Shin ; Panchapakesan Ganesh ; Paul Kent ; Anouar Benali ; ANAND BHATTACHARYA ; Ho Nyung Lee ; Olle Heinonen ; Jaron Krogel; |
| 696 | Evidence of Electronic Structural Change at Metal-insulator Transition in The Perovskite NaOsO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we connect local structural changes to changes in the lattice parameters through (1) well-established structural modelling and (2) density functional theory (DFT) calculations. |
Jianshi Zhou ; Xinyu Li ; Michelle Johannes; |
| 697 | Hund Correlation Near The Mott Metal-insulator Transition: NiS2 Under Pressure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To unveil the underlying physics of the Hund correlation near the Mott metal-insulator transition of a half-filled multi-band system, we studied the pressure-induced metallic state of NiS 2 using first principles DFT+DMFT methods. |
Ina Park ; Bo Gyu Jang ; Dong Wook Kim ; Ji Hoon Shim ; Gabriel Kotliar; |
| 698 | Local Lattice Distortions and Metal-insulator Transition in Nd0.5Sr0.5MnO3 Perovskite Manganite Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: High energy temperature-dependent x-ray diffraction coupled with the Atomic Pair Distribution function was employed to reveal the structure model of Nd 0.5Sr 0.5MnO 3 manganite. |
Adeel Zafar ; Valeri Petkov ; Milinda Abeykoon; |
| 699 | Electronic Correlation Across The Metal-insulator Transition in Single Crystals of Β-Na0.33V2O5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The evolution of the thermally driven MIT in single crystals of β-Na 0.33V 2O 5 using electrical transport and noise spectroscopy measurements is studied to elucidate the charge dynamics across this transition. We observe a crossover from an Arrhenius-type conductivity above T CO to a Mott variable range hopping. |
Nicholas Jerla ; John Ponis ; Sarbajit Banerjee ; Sambandamurthy Ganapathy; |
| 700 | Signature of Hund-Correlation in Non-Spin-Freezing Metallic Regime Studied By Dynamical Mean Field Theory : Hundness in Global Phase Diagram Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we suggest a new parameter that measures the degree of Hund-correlation signature in the non-spin-freezing correlated metal phases, namely the ‘Hund-Fermi-liquid-ness’. |
Dongwook Kim ; Ji Hoon Shim; |
| 701 | Suppression of Metal-to-insulator Transition and Stabilization of Superconductivity By Pressure in Re3Ge7 Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The effect of pressure on the low-temperature states of the Re 3Ge 7 is investigated by both electrical resistance and magnetization measurements. At ambient pressure, the … |
shuyuan huyan ; Eundeok Mun ; Haozhe Wang ; Juan Schmidt ; Tyler Slade ; Zhuoqi Li ; Raquel Ribeiro ; Weiwei Xie ; Sergey Bud’ko ; Paul Canfield; |
| 702 | Proposed Experiment to Find The Sordi Transition in Doped Κ-BEDT Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Because the Mott transition is inaccessible in cuprates, it’s necessary to search for it in other such as layered organic superconductors. Based upon results from dynamical cluster approximation on the triangular lattice Hubbard model, we propose a variety of experimental measurements for Hg-doped κ-BEDT layered organic superconductors to identify signatures of this elusive transition. |
Pierre-Olivier Downey ; Olivier Gingras ; Jerome Fournier ; Charles-David Hebert ; Maxime Charlebois ; André-Marie Tremblay; |
| 703 | Angle-dependent Electronic Properties of TiZn16 Under Low Temperatures and High Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore the electronic structure of TiZn 16, the most Zinc heavy member. |
Aaron Chan ; Guoxin Zheng ; Dechen Zhang ; Yuan Zhu ; Kaila Jenkins ; Kuan-Wen Chen ; Haozhe Wang ; Weiwei Xie ; Tai Kong ; Na Hyun Jo ; Lu Li; |
| 704 | Physics-Driven Modeling of The Metal-Insulator Transition Temperature in W-Doped VO2 Through Symbolic Regression Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we develop SR models to capture the trends in the IMT in VO 2 affected by different dopant control parameters. |
Suvo Banik ; Shloka Shriram ; Subramanian Sankaranarayanan ; Shriram Ramanathan; |
| 705 | Understanding The Giant Resistivity Peak and Negative Magnetoresistance in EuCd2P2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Samples which display an insulating trend show very large resistivity peak happening at a lower temperatures compared to bad metallic samples. We present the heat capacity, magnetoresistance and carrier concentration data comparing these two samples. |
Sudhaman Balguri ; Mira Belle Mahendru ; Jonathan Gaudet ; Fazel Tafti; |
| 706 | Generation and Control of Non-local Chiral Currents in Graphene Superlattices By Orbital Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present local and non-local signals and report a striking chiral behavior of the nonlocal currents at low magnetic fields resulting from a charge carrier-valley coupling. |
Mario Amado ; Juan Salvador-Sánchez ; Luis Canonico ; Ana Pérez-Rodríguez ; Tarik Cysne ; Yuriko Baba ; Vito Clericò ; Marc Vila ; Daniel Vaquero ; Juan Antonio Delgado-Notario ; José Caridad ; Kenji Watanabe ; Takashi Taniguchi ; Stephan Roche ; Enrique Diez ; Rafael Molina ; Francisco Dominguez-Adame ; Tatiana Rappoport; |
| 707 | Mapping Flat Bands and Correlated States in Twisted Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss measurements of twisted trilayer graphene which realizes both flat and dispersive bands. |
Jesse Hoke ; Ziyan Zhu ; Nicole Ticea ; Yifan Li ; Julian May-Mann ; Kenji Watanabe ; Takashi Taniguchi ; Trithep Devakul ; Thomas Devereaux ; Ben Feldman; |
| 708 | Twist-decoupled Van Der Waals Layers As A Probe for Correlated Quantum Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss a new technique based on twist-decoupled van der Waals layers that enables measurements of their electronic band structure and, by studying the backscattering between counter-propagating edge states in transport, determination of the relative spin polarization of their edge modes. |
Yifan Li ; Jesse Hoke ; Julian May-Mann ; Kenji Watanabe ; Takashi Taniguchi ; Barry Bradlyn ; Taylor Hughes ; Ben Feldman; |
| 709 | Shift Current Response in Twisted Double Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present our numerical results on the shift current response in AB-AB and AB-BA stacked twisted double bilayer graphene (TDBG). |
Takaaki Joya ; Takuto Kawakami ; Mikito Koshino; |
| 710 | Experimental Studies on Interlayer Coulomb Interactions in Graphene-based Moiré Structure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Second, by fabricating near-zero-angle-twisted double bilayer graphene, we show how the symmetry broken Landau levels in moiré band evolve under perpendicular electric field that tunes the layer symmetry. We will discuss the possible origins and implications of these findings in view of interlayer Coulomb interactions in the moiré systems. |
Dongkeun Ki ; Yueyang Wang ; Xinyu Wang ; Hongxia Xue; |
| 711 | Spectroscopic Investigation on Inter-valley Coherence and Superconductivity in Twisted Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we utilize scanning tunneling microscopy (STM) on magic-angle twisted trilayer graphene (MATTG) to measure atomic resolution tunneling conductance maps. |
Hyunjin Kim ; Youngjoon Choi ; Etienne Lantagne-Hurtubise ; Cyprian Lewandowski ; Alex Thomson ; Lingyuan Kong ; Haoxin Zhou ; Eli Baum ; Yiran Zhang ; Ludwig Holleis ; Kenji Watanabe ; Takashi Taniguchi ; Andrea Young ; Jason Alicea ; Stevan Nadj-Perge; |
| 712 | Spectroscopic Signatures of Intervalley Coherence and Superconductivity in Twisted Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recent [1,2] scanning tunneling microscopy (STM) experiments suggest that the incommensurate K’ekul’e spiral (IKS) metal is the normal state from which superconductivity emerges in twisted bilayer and trilayer graphene. We explore the pairing instabilities of such IKS metals to identify qualitatively robust trends in the spectroscopic signatures of moiré graphene systems. |
Cyprian Lewandowski ; Etienne Lantagne-Hurtubise ; Alex Thomson ; Jason Alicea; |
| 713 | Moiré-localized Flat Bands in A Family of Twisted Bernal-stacked Graphene Multilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we extend this study to progressively thicker structures by adding additional Bernal-stacked graphene layers to both sides of the moiré interface. |
Anna Okounkova ; Dacen Waters ; Ellis Thompson ; Ruiheng Su ; Esmeralda Arregiun Martinez ; Minhao He ; Kenji Watanabe ; Takashi Taniguchi ; Yahui Zhang ; Xiaodong Xu ; Joshua Folk ; Matthew Yankowitz; |
| 714 | Magneto-transport Signature of Moiré of Moiré Superlattice in Consecutively Twisted Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Correlated insulating states and the transport signature of superconductivity have been reported in twisted trilayer graphene moiré of moiré superlattices [1] and moiré quasicrystals [2]. Towards a further understanding of their underlying mechanism, we study the low-temperature magneto-transport in a dual-gated twisted trilayer graphene device and its dependence on an out-of-plane electric field. |
Wei Ren ; Konstantin Davydov ; Ziyan Zhu ; Kenji Watanabe ; Takashi Taniguchi ; Efthimios Kaxiras ; Mitchell Luskin ; Ke Wang; |
| 715 | Correlated Insulating States in Twisted Trilayer Graphene Beyond Magic Angles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate charge transport in samples at a few combinations of twist angles and observe correlated insulating states at integer fillings of Moiré unit cell. |
Dmitry Shcherbakov ; Qingrui Cao ; Benjamin Hunt; |
| 716 | Current-bias Spectroscopy of In-plane Magnetoresistance on The Microtesla Scale in Twisted Monolayer-trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we report the observation of an extraordinary negative in-plane magnetoresistance response in twisted monolayer-trilayer graphene, localized to the same gate voltages where the anomalous Hall effect is also observed. |
Ruiheng Su ; Dacen Waters ; Kenji Watanabe ; Takashi Taniguchi ; Matthew Yankowitz ; Joshua Folk; |
| 717 | Simultaneous Transport and Capacitance Measurements of A Ferroelectric Graphene Moiré Structure Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present simultaneous transport and capacitance measurements of a similar graphene moiré structure that also shows unconventional ferroelectric characters. |
Xueqiao Wang ; Zhiren Zheng ; Samuel Aronson ; Kenji Watanabe ; Takashi Taniguchi ; Raymond Ashoori ; Qiong Ma ; Pablo Jarillo-Herrero; |
| 718 | Visualizing Mesoscopic Electronic Structure of Twisted Graphene Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use low temperature conductive atomic force microscopy to image the electronic structure arising both within and at the boundary between mesoscale patches of rhombohedral and Bernal stacking in twisted graphene heterostructures. |
Tatiana Webb ; Carolin Gold ; Valerie Hsieh ; Eric Seewald ; Maëlle Kapfer ; Itai Keren ; Dmitri Basov ; Cory Dean ; Abhay Pasupathy; |
| 719 | Optimizing Fractional Quantum Anomalous Hall Effect in Moiré Superlattice of Rhombohedralmultilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present Hartree Fock and exact diagonalization study of the possibility of FQAH in ths new system. |
Boran Zhou ; Hui Yang ; Ya-Hui Zhang; |
| 720 | Wegner Flow-equations for Electromagnetic Response of Many-body Hamiltonians Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We formulate a systematic approach for investigating the low-energy description of electromagnetic responses. |
Dan Mao ; Juan Felipe Mendez-Valderrama ; Debanjan Chowdhury; |
| 721 | Scanning Tunneling Microscopy/spectroscopy Studies of Monolayer FeTe on SrTiO3(001) – √13⨯√13 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Can the SrTiO 3 substrate locally modulate the ground state of ML FeTe? To clarify the above points, we performed low-temperature scanning tunneling microscopy/spectroscopy (STM/STS, T: 5 K ~ 77 K) experiments on the ML FeTe/SrTiO 3-√13⨯√13. |
Wen Si ; Bin Yu ; Satoru Ichinokura ; Toru Hirahara; |
| 722 | Scanning SQUID Microscopy on Van Der Waals Devices with in Situ Uniaxial Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we report on local magnetic measurements using a scanning SQUID on uniaxially strained vdW samples. |
Ruiheng Bai ; Kaifei Kang ; Brian Schaefer ; Kin Fai Mak ; Jie Shan ; Katja Nowack; |
| 723 | Structural Properties of Plastically Deformed SrTiO3 and KTaO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a comprehensive analysis involving diffuse x-ray and neutron scattering data as well as nuclear magnetic resonance (NMR) results aimed to investigate and compare the formation of strain-induced self-organized dislocation structures in plastically deformed STO and KTO. |
Issam Khayr ; Xing He ; Ana Najev ; Jakov Budic ; Zinan Zhao ; Li Yue ; Yuan Li ; Damjan Pelc ; Martin Greven ; Jakov Budic; |
| 724 | Electromagnon Excitation Modes in The Two-dimensional Multiferroic Van Der Waals Insulator NiI2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using terahertz time-domain spectroscopy, we performed transmission and reflection experiments on a NiI 2 single crystal and observed two strong absorption modes in the terahertz region. |
Jae Hoon Kim ; Jae Ha Kim ; Taek Sun Jung ; Youjin Lee ; Chaebin Kim ; Je-Geun Park; |
| 725 | Orthorhombic Distortion Drives Orbital Ordering in Antiferromagnetic 3d1 Mott Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Thus, our work demonstrates that orthorhombic distortion is the driving force for the orbital ordering of antiferromagnetic RETiO 3. |
Prithwijit Mandal ; Shashank Ojha ; Duo Wang ; RANJAN PATEL ; Siddharth Kumar ; Jyotirmay Maity ; Zhan Zhang ; Hua Zhou ; Christoph Klewe ; Padraic Shafer ; Biplab Sanyal ; Srimanta Middey; |
| 726 | Role of Fe Intercalation on Resistively Switchable Antiferromagnet FexNbS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using angle-resolved photoemission spectroscopy (ARPES), we report several doping and orbital selective correlation effects across the ⅓ doping level. |
Wenxin Li ; Shan Wu ; Ji Seop Oh ; Shannon Haley ; Jonathan Reichanadter ; Sophie Weber ; Donghui Lu ; Makoto Hashimoto ; Elio Vescovo ; Jeffrey Neaton ; James Analytis ; Robert Birgeneau ; Yu He; |
| 727 | From Stoner to Local Moment Magnetism in Atomically Thin Cr2Te3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report a thickness-dependent ferromagnetism in epitaxially grown Cr 2Te 3 thin films and investigate the evolution of the underlying electronic structure by synergistic angle-resolved photoemission spectroscopy, scanning tunneling microscopy, x-ray absorption spectroscopy, and first-principle calculations. |
Yong Zhong ; Cheng Peng ; Jun-Sik Lee ; Sung-Kwan Mo ; Thomas Devereaux ; Zhi-Xun Shen; |
| 728 | Band Structure Evolution Through Electron Doping in Cr2Ge2Te6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present our angle-resolved photoemission spectroscopy measurement via a step-by-step in situ potassium doping experiments on pristine CGT crystals, tuning the Fermi level to go across the VHS level and beyond, and discuss our observations of electron-electron correlations and electron-boson coupling effects. |
Ziqin Yue ; Yucheng Guo ; Han Wu ; Lebing Chen ; Yichen Zhang ; Sohrab Ismail-Beigi ; Pengcheng Dai ; Junichiro Kono ; Ming Yi; |
| 729 | Manganese Chromium Nitride Thin Film Synthesis Via Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work presents an avenue for the epitaxial integration of metallic, magnetic, and semiconductor materials. |
Kevin Vallejo ; Brelon May ; Volodymyr Buturlim ; Sabin Regmi ; Krzysztof Gofryk; |
| 730 | Bipolar Wigner Crystals and Valley-dependent Exciton Umklapp Scattering in Monolayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe exciton Umklapp scattering signatures of electron and hole Wigner crystals in monolayer WSe 2; they exhibit melting temperatures of ~27K and ~22K, respectively. By introducing a magnetic field to lift the valley degeneracy, we observe markedly enhanced scattering between excitons and Wigner crystal when they occupy the same valley and band. |
Matthew Wilson ; Erfu Liu ; Tianyi Ouyang ; Kenji Watanabe ; Takashi Taniguchi ; Yia-Chung Chang ; Chun Hung Lui; |
| 731 | Investigating Structural and Magnetic Properties of FeTiO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation I will address how structural distortions effect the magnetism in FeTiO 3. |
Eesha Razia; |
| 732 | Noise Spectroscopic Study of Resistive Switchings in NbO2 Thin Films Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Transition metal oxides showcase several phase transitions accessible by external parameters such as temperature, voltage, and stress. NbO 2, exhibiting a voltage-driven insulator … |
Nitin Kumar ; Karsten Beckmann ; Nathaniel Cady ; Sambandamurthy Ganapathy; |
| 733 | Spin-orbit Coupling Induced Van Hove Singularity in Proximity to A Lifshitz Transition in Sr4Ru3O10 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the Ruddlesden-Popper (RP) series of strontium ruthenates, Sr n+1Ru nO 3n+1, near- E F VHSs are thought to drive a host of complex emergent phenomena including enhanced superconductivity and metamagnetism. |
Philip Murgatroyd ; Peter Wahl ; Philip King ; Luke Rhodes ; Rosalba Fittipaldi ; Antonio Vecchione ; Veronica Granata ; Johan Chang ; Masafumi Horio ; Mats Leandersson ; Craig Polley ; Masahiro Naritsuka ; Brendan Edwards ; Izidor Benedicic ; Weronika Osmolska ; Gesa Siemann ; Sebastian Buchberger ; Edgar Abarca-Morales ; Daniel Halliday ; Mariateresa Lettieri ; Raja Arumugam ; Carolina Marques; |
| 734 | Contactless Electronic Compressibility Measurements of Few-layer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Unlike in graphene, poor contacts have impeded the thorough study of TMD systems at millikelvin temperatures. We have developed a novel “contactless capacitance” method to circumvent the issue of poor contacts and enable compressibility and charge transport measurements on these materials at very low temperatures and carrier densities inaccessible to current electronic measurement techniques. |
Samuel Aronson ; Jackson Butler ; Madisen Holbrook ; Luke Holtzman ; Kenji Watanabe ; Takashi Taniguchi ; Katayun Barmak ; James Hone ; Raymond Ashoori; |
| 735 | Local Capacitance Measurements of WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present the results of our local capacitance techniques down to low carrier densities (< 10 12 cm -2) and temperatures and high magnetic fields. |
Jackson Butler ; Samuel Aronson ; Madisen Holbrook ; Luke Holtzman ; Kenji Watanabe ; Takashi Taniguchi ; Katayun Barmak ; James Hone ; Raymond Ashoori; |
| 736 | Spin Polarized Hole Magneto-transport at Low Filling Factors in Monolayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we first present a device structure for achieving low resistive ohmic contacts that relies on the independent tunability of the carrier density in the contact region. We demonstrate that these low resistive ohmic contacts survive at temperatures as low as 10 mK and can successfully be used in transport measurements to probe a channel region down to the low carrier density regime. |
Justin Boddison-Chouinard ; Antoine Labbé ; Alex Bogan ; Pedro Barrios ; Philip Waldron ; Kenji Watanabe ; Takashi Taniguchi ; Marek Korkusinski ; Adina Luican-Mayer ; Louis Gaudreau; |
| 737 | Low Work-function Contact Engineering for Transition Metal Dichalcogenides (TMDs) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: These efforts can be combined with an atomically clean monolayer hBN insertion barrier between the metal-semiconductor interface that has been demonstrated to lower the metal work function and reduce in-gap states. We present electrical transport measurements to characterize the performance of these contacts to TMDs such as MoSe 2 and MoS 2. |
Grace Chen ; Andres Mier Valdivia ; Nadine Leisgang ; Sungpyo Baek ; Seong-Jun Yang ; Kenji Watanabe ; Takashi Taniguchi ; Cheol-Joo Kim ; Sungjoo Lee ; Philip Kim; |
| 738 | 2D-transition Metal Dichalcogenides for Energy Efficient Thermoelectrics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To develop the sustainable and energy-efficient technologies, the MoS 2, has garnered attention as a promising thermoelectric material due to its exceptional transport properties [1-2]. This work aims to develop a compact and highly efficient thermoelectric platform at the nanoscale by employing such inexpensive 2D material, while also advancing the understanding of the underlying physics. |
Bhaskaran Muralidharan ; Rohit Kumar; |
| 739 | Subband Dependent G-factor in A Monolayer WSe2 1D Channel Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we demonstrate ballistic transport in low contact resistance and high mobility samples (> 20,000 cm 2V -1s -1) with gate defined 1D channels and nano-constrictions in monolayer tungsten diselenide (WSe 2). |
Antoine Labbé ; Justin Boddison-Chouinard ; Alex Bogan ; Pedro Barios ; Philip Waldron ; Kenji Watanabe ; Takashi Taniguchi ; Marek Korkusinski ; Adina Luican-Mayer ; Louis Gaudreau; |
| 740 | Charge-Transfer Contact to A High-Mobility Monolayer Semiconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a new contact architecture for monolayer semiconductors that combines a charge-transfer layer and a contact metal to reach contact resistances as low as 20 kW mm at cryogenic temperatures. |
Jordan Pack ; Yinjie Guo ; Ziyu Liu ; Bjarke Jessen ; Luke Holtzman ; Song Liu ; Matthew Cothrine ; Kenji Watanabe ; Takashi Taniguchi ; David Mandrus ; Katayun Barmak ; James Hone ; Cory Dean; |
| 741 | Piezoelectric Electrostatic Superlattices in Monolayer MoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore one-dimensional (1D) superlattices induced by a confining electrostatic potential in monolayer MoS 2, a prototypical two-dimensional semiconductor. |
Ashwin Ramasubramaniam ; Doron Naveh; |
| 742 | Raman Spectroscopy Characterization of Defects in 2D Films of Molybdenum Disulfide Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We used Raman spectroscopy to characterize MoS 2 films grown by atomic layer deposition on Si substrates and subsequently annealed at various conditions (temperature, duration, and environment). |
Alexander Rode ; Jacob Wilson ; Robert Clouse ; Wesley Jen ; Icelene Leong ; Steven Hues ; Elton Graugnard ; Dmitri Tenne; |
| 743 | Imaging Conduction Band Electrons in Gated Monolayer TMDC Using µARPES Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we apply in operando micrometer scale angle-resolved photoemission spectroscopy at the ASTRID2 light source in order to characterize the electronic structure of a SL WS 2 gateable device. |
Chakradhar Sahoo ; Yann Veld ; Alfred Jones ; Zhihao Jiang ; Paulina Majchrzak ; Kimberly Hsieh ; K. Watanabe ; T. Taniguchi ; Yong Chen ; Jill Miwa ; Malte Rösner ; Søren Ulstrup; |
| 744 | Quantum Monte Carlo Study of Straintronic Response of 2D Materials: Monolayer Phosphorene and MoS2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using the ultra-accurate many-body fixed-node Quantum Monte Carlo methods, we present benchmark straintronic study of monolayer phosphorene and MoS 2. |
Ivan Stich ; Yongda Huang ; Jan Brndiar ; Jaroslav Fabian ; Lubos Mitas; |
| 745 | Vortex Lattice States of TMDC Bilayer Exciton Condensates in Strong Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we show that at strong magnetic fields the ground state of weakly unbalanced electron hole fluids is a bipartite lattice state with charged vortices and antivortices on opposite sublattices. |
Bo Zou ; Allan MacDonald; |
| 746 | Interplay Between Interlayer Hybridization and Van Der Waals Interactions in Phase Stability and Interlayer Coupling of Bilayer PtSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To this end, we employ many-body Diffusion Monte Carlo (DMC) calculations to investigate phase stability and interlayer binding properties of bilayer PtSe 2. |
Jeonghwan Ahn ; Iuegyun Hong ; Gwangyoung Lee ; Hyeondeok Shin ; Anouar Benali ; Jaron Krogel ; Yongkyung Kwon; |
| 747 | Enhancement of Giant Piezoelectricity of Group IV Monochalcogenides Through Spontaneous Compressive Strain By Layer Stacking Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, using first-principles calculations, we investigated the giant piezoelectricity of group IV monochalcogenides in AA stacking, which has recently been stabilized in the experiments. |
Seungjun Lee ; Hyeong-Ryul Kim ; Young-Kyun Kwon ; Tony Low; |
| 748 | Symmetry-protected Three-dimensional Nodal Fermions in A Pyrochlore Superconductor Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the topological electronic band structure in the normal state of pyrochlore superconductor RbBi 2 measured by angle-resolved photoemission spectroscopy (ARPES). |
Dongjin Oh ; Riccardo Comin; |
| 749 | Observation of 3D Flat Bands in The Pyrochlore Metal CaNi2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present our identification and characterization of the flat bands in CaNi2 and CaRh2. |
Joshua Wakefield ; Mingu Kang ; Paul Neves ; Dongjin Oh ; Shiang Fang ; Ryan McTigue ; Shu Yang Frank Zhao ; Tej Lamichhane ; Alan Chen ; Seongyong Lee ; Sudong Park ; Jae-Hoon Park ; Christopher Jozwiak ; Aaron Bostwick ; Eli Rotenberg ; Anil Kumar Rajapitamahuni ; Elio Vescovo ; Jessica McChesney ; David Graf ; Johanna Palmstrom ; Takehito Suzuki ; Mingda Li ; Riccardo Comin ; Joseph Checkelsky; |
| 750 | Observation of Flat Bands in Breathing Kagome Semiconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss the electronic structure of Nb 3X 8 system revealed by angle-resolved photoemission spectroscopy (ARPES) and first-principles calculations. |
Madhab Neupane ; Sabin Regmi ; Anup Pradhan Sakhya ; Tharindu Warnakulasooriya Fernando ; Yuzhou Zhao ; Dylan Jeff ; Milo Sprague ; Favian Gonzalez ; Iftakhar Bin Elius ; Mazharul Islam Mondal ; Nathan Valadez ; Damani Jarrett ; Alexis Agosto-Cuevas ; Jihui Yang ; Jiun-Haw Chu ; Saiful Khondaker ; Xiaodong Xu ; Ting Cao; |
| 751 | Quantum Geometry in A Flat Band Kagome Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we develop a framework to extract the full quantum geometric information in solids using polarization-, spin-, and angle-resolved photoemission spectroscopy, and provide experimental measurements of the quantum metric and Berry curvature in the archetypal kagome metal CoSn hosting geometry-driven flat bands. |
Min Gu Kang ; Sunje Kim ; Yuting Qian ; Paul Neves ; Linda Ye ; Junseo Jung ; Denny Puntel ; Federico Mazzola ; Shiang Fang ; Shiang Fang ; Christopher Jozwiak ; Aaron Bostwick ; Eli Rotenberg ; Jun Fujii ; Ivana Vobornik ; Jae-Hoon Park ; Joseph Checkelsky ; Bohm-Jung Yang ; Riccardo Comin; |
| 752 | Understanding The Electronic Structure of Kagome Metals AV3Sb5 (A=K, Cs, Rb) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The properties of the low-energy DFT band structure cannot be captured by the commonly used effective Kagome tight-binding models. We address these fundamental discrepancies and developed an extended Slater-Koster tight-binding model which can successfully resolve these issues. |
Keyu Zeng ; Ziqiang Wang; |
| 753 | Phonon Anharmonicity Effects in The Charge Density Wave Orders of Vanadium-based Kagome Metals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Additionally, a related class, RV 6Sn 6 (Y, Sc, Gd, Ho), specifically ScV 6Sn 6 has been shown to host unconventional CDWs, endowing it with multiple lattice instabilities and anomalous electrical transport, where the resistivity decreases through TCDW. We explore the implications of electron-phonon interactions in CDW formation and study their effect on the electrical and thermal properties of this system. |
Matthew Shammami ; Dennis Kim ; Prineha Narang; |
| 754 | Absence of Spontaneous Magneto-optical Kerr Effect in The Charge Density Wave Phase of The Kagome Metal CsV3Sb5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We observe no spontaneous MOKE with 0.1 µrad uncertainty, independent of the magnitude of training fields and temperature sweep rates. |
Jingyuan Wang ; Camron Farhang ; Brenden Ortiz ; Stephen Wilson ; Jing Xia; |
| 755 | Fermi Surface of The Kagome Materials ATi3Bi5 (A=Cs,Bi) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report quantum oscillation measurements on the kagome compounds ATi3Bi5 (A=Rb, Cs) in magnetic fields up to 41.5 T and temperatures down to 550 mK. |
Zackary Rehfuss ; Sheng Ran ; Christopher Broyles ; David Graf ; Yongkang Li ; Hengxin Tan ; Haitao Yang ; Xiaoli Dong ; Hongjun Gao ; Binghai Yan; |
| 756 | Tunable Non-Lifshitz–Kosevich Temperature Dependence of Shubnikov–de Haas Oscillation Amplitudes in SmSb Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the Shubnikov–de Haas (SdH) effect in rare-earth monopnictide SmSb. |
Wei Zhang ; Chia-Nung Kuo ; Shu-Tsen Kuo ; Chun Wa So ; Jianyu Xie ; Kwing To Lai ; Wing Chi Yu ; Chin Shan Lue ; Hoi Chun Po ; Swee Kuan Goh; |
| 757 | Electronic Properties of Van Der Waals Heterostructures of Graphene/bismuthene and Graphene/Bi2Se3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using density functional theory calculations, we performed a comparative study of the energetic stability, charge densities, and electronic properties of van der Waals heterostructures formed by the stacking of graphene with monolayers of different topological character. |
Lilia Meza-Montes ; Alejandra de la Rosa-Jasso ; Ricardo Acosta ; Juan Hernández-Tecorralco; |
| 758 | Resonant and Magnetic Doping Control of The Topological State of (Bi,Sb)2(Se,Te)3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Employing density functional theory (DFT) and maximally localized Wannier functions (MLWFs), we calculate the effect of resonant and magnetic doping on the bulk and surface states. |
Sohee Kwon ; Mahesh Neupane ; Patrick Taylor ; Roger Lake; |
| 759 | Tuning Electronic Structure Topology of Rare-earth Monopnictides By Dimensionality Reduction and Epitaxial Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This study demonstrates that the electronic phase of RE-V materials can be manipulated through dimensionality reduction and epitaxial strain. |
Quoc Dai HO ; Hadass Inbar ; Ruiqi Hu ; Quang To ; Christopher Palmstrom ; Garnett Bryant ; Anderson Janotti; |
| 760 | Spin-momentum Locking in Bulk and Surface of Chiral Topological Semimetals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we revisit the chiral toy model in space group 198 introduced in Ref [1] as a proxy for materials in the B20 family and study the spin textures as a function of spin-orbit coupling strength. |
Iñigo Robredo ; Mao Lin ; Barry Bradlyn ; Jonas Krieger ; Niels Schröter ; Maia Vergniory; |
| 761 | Leaking A Majorana Between A Kitaev Chain and A Kitaev Ring Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we consider a simple, magnetic-field free, setup consisting of a “Kitaev ring” – a closed Kitaev chain – coupled to one of the Majorana bound states of a Kitaev chain in the topological phase. |
David Brandao ; Mariana Malard Sales Andrade ; Igor Zutic; |
| 762 | Superconducting Properties of Niobium Single Crystals Upon Annealing in Vacuum at Different Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use magneto-optical imaging, DC and RF susceptibility measurements to study the effects of annealing at 800°C, 1400°C, and near melting on the London penetration depth, superconducting transition temperature, upper critical field, and flux pinning. |
Amlan Datta ; Kamal Joshi ; Aidan Goerdt ; Sunil Ghimire ; Makariy Tanatar ; Deborah L. Schlagel ; Giulia Berti ; Maria Iavarone ; Matthew J Kramer ; Ruslan Prozorov; |
| 763 | Thermal Hall Conductivity of The Cuprate Superconductor Bi2Sr2CaCu2O8+δ Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a study of thermal transport to access the electronic mean free path of d-wave quasiparticles in one of the most widely studied cuprate superconductors, Bi 2Sr 2CaCu2O 8+δ (Bi-2212). |
Emma Campillo ; manel mezidi ; Lu Chen ; Ashvini Vallipuram ; Munkhtuguldur Altangerel ; Genda Gu ; Jordan Baglo ; Louis Taillefer; |
| 764 | Thermal Decoupling: The Solution to The Mysteries of High-Tc Cuprate Superconductors – Part 1 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present study, we reproduced successfully the B 1g phonon anomaly in YBa 2Cu 3O 7 (YBCO) using ab initio molecular dynamics (AIMD) simulation and temperature-dependent effective potential (TDEP) method. |
Sungwoo Lee ; Woojin Choi ; Young-Kyun Kwon ; Dongjoon Song ; Gun-Do Lee; |
| 765 | Thermal Decoupling: The Solution to The Mysteries of High-Tc Cuprate Superconductors – Part 2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we found that thermal decoupling emerges as a pivotal underpinning behind several puzzling phenomena in high- Tc superconductivity. |
Gun-Do Lee ; Sungwoo Lee ; Woojin Choi ; Youngje Kim ; Young-Kyun Kwon ; Dongjoon Song ; Miyoung Kim; |
| 766 | The Percolation Limit for Stripe Correlations in Cuprates and The Onset of Strange-metal Behavior Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: A variety of measurements on La 2-xSr xCuO 4 and related cuprates can be interpreted consistently in terms spin and charge stripe correlations that percolate across the CuO 2 … |
John Tranquada ; Pedro Lozano ; Genda Gu ; Qiang Li; |
| 767 | Continuous Strain Tuning of Cuprate Superconductivity in Freestanding Membranes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Utilizing a bespoke in situ manipulation stage, in combination with the development of freestanding La 2-xSr xCuO 4 membranes, we study how the superconducting state and the normal state properties evolve against tensile strains of various symmetries and magnitude beyond 1%. |
Bai Yang Wang ; Eun Kyo Ko ; Xin Wei ; Yijun Yu ; Harold Hwang; |
| 768 | Investigation of Pressure-induced High Tc in Bulk Nickelates Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The recent discovery of superconductivity with a high transition temperature (T c) of ~ 80 K in nickel-based single crystals by M. Wang’s group marks a milestone in the quest for … |
Liangzi Deng ; Raiki Fujikawa ; Trevor Bontke ; Mengwu Huo ; Hualei Sun ; Larry Duong ; Ting-Wei Kuo ; Recheng Wang ; Zheng Wu ; Hung-Duen Yang ; Danfeng Li ; Arnold Guloy ; Meng Wang ; Ching-Wu Chu; |
| 769 | Mapping The Rich Superconducting Phase Diagram of Ultraclean UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will discuss the phase diagram of UTe 2 as measured on a new generation of pristine quality samples grown by a salt flux technique. |
Zheyu Wu ; Theodore Weinberger ; Jiasheng Chen ; David Graf ; Jirí Pospíšil ; Patricial Alireza ; Michal Valiska ; Friedrich Grosche ; Alexander Eaton; |
| 770 | Achieving and Tuning An Unconventional Superconducting State in PdTe2 Grown By CVD Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate thin films of PdTe2 grown by using CVD. |
Kota Yoshimura ; Logan Riney ; Jiashu Wang ; Josue Guerra ; Xinyu Liu ; Yi-Ting Hsu ; Badih Assaf ; Daichi Kozawa ; Ryo Kitaura; |
| 771 | FeSexTe1-x Thin Films As A Platform for Exploring Exotic Superconducting States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we demonstrate successful fabrication of FST thin films on CdTe(100) substrates covering the entire composition range of 0 ≤ x ≤ 1 by using molecular beam epitaxy (MBE) technique. |
Yuki Sato ; Soma Nagahama ; Ilya Belopolski ; Ryutaro Yoshimi ; Minoru Kawamura ; Atsushi Tsukazaki ; Naoya Kanazawa ; Akiyoshi Yamada ; Masashi Tokunaga ; Kei Takahashi ; Masashi Kawasaki ; Yoshinori Tokura; |
| 772 | Efficient Superconducting Diodes in Three-dimensional Vortex Landscapes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a novel approach to the problem by controlling the cross-sectional shape of micron-sized superconducting bars in truly three-dimensional conductors. |
Philip Moll; |
| 773 | Design and Performance of Parallel-channel Nanocryotrons in Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a new design modification to conventional geometry of the cryogenic three-terminal switch, the nanocryotron (nTron). |
Timothy Draher ; Tomas Polakovic ; Yi Li ; John Pearson ; Alan Dibos ; Zein-Eddine Meziani ; Zhili Xiao ; Valentine Novosad; |
| 774 | Thermoelectric Magnetotransport in Superconducting Interferometers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider galvanomagnetic and thermoelectric responses in mesoscopic normal metal-superconductor interferometers. |
S M Jaglul Hasan ; Songci Li ; Alex Levchenko; |
| 775 | Electronic Cooling Above 1.5 K Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We extend the range by first demonstration of absolute electronic cooling from bath temperatures near 2 K by using superconducting tunnel junction devices for cooling and thermometry. |
Joel Hätinen ; Alberto Ronzani ; Renan Loreto ; Emma Mykkänen ; Klaara Viisanen ; Tuure Rantanen ; Antti Kemppinen ; Joel Geisor ; Mika Prunnila; |
| 776 | Superconducting Properties of Transition-metal Nitrides from First Principles: Prospects for Strain and Isotope Modification of Superconducting Critical Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we use first-principles theory to explore the structural polytypes of Nb xN to gather insights into the microscopic physics at play in their metallic and superconducting properties. |
Betul Pamuk ; Guru Khalsa; |
| 777 | Collisionless Dynamics of The Pairing Amplitude in Disordered Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will present a system of nonlinear equations which describe the collisionless relaxation of the pairing amplitude following a quench of the pairing strength. |
Maxim Dzero; |
| 778 | Superconducting Properties of Bi2PdPt and Prediction of Topological Superconductivity in The Disorder-free Limit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will discuss the structural and physical properties along with density functional theory (DFT) calculations for Bi 2Pd xPt 1-x. |
Sudarshan Sharma ; Addison Richards ; Sajilesh K. P. ; ANSHU KATARIA ; Babafemi Agboola ; Mathew Pula ; Jonah Gautreau ; Arindam Ghara ; Deepak Singh ; Sourav Marik ; Sarah Dunsiger ; Maureen Lagos ; Amit Kanigel ; Erik Sorensen ; Ravi Singh ; Graeme Luke; |
| 779 | Database Curation and Assessment for The Prediction of Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a curated database of superconductors that can be used to accelerate the discovery of new materials. |
Dylan Sheils ; Trevor Rhone ; Yoshiharu Krockenberger; |
| 780 | Correlated Phase Diagram Tunable By Structural Layering in Square-planar Nickelates Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present the correlated phase diagram of the layered Nd n+1Ni nO 2n+2 compounds. |
Grace Pan ; Dan Ferenc Segedin ; Sophia TenHuisen ; Harrison LaBollita ; Abigail Jiang ; Ari Turkiewicz ; Christoph Klewe ; Charles Brooks ; Ismail El Baggari ; Antia Botana ; Matteo Mitrano ; Julia Mundy; |
| 781 | Experimental and Theoretical Assessment of Native Oxide in The Superconducting TaN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Furthermore, the impurified TaN evidences a face-centered cubic crystalline structure only and exhibits superconductivity at 2.99 K. Subsequently, we study the effect of incorporating different amounts of O atoms in TaN using ab initio calculations. A thermodynamic stability analysis shows that a TaO xN 1-x model increases its stability as oxygen is added, demonstrating that oxygen may always be present in TaN, even when obtained at ultra-high vacuum conditions. |
Victor Quintanar-Zamora ; Michelle Cedillo-Rosillo ; Oscar Contreras-López ; Carlos Corona-García ; Armando Reyes-Serrato ; Rodrigo Ponce-Perez ; Jonathan Guerrero-Sanchez ; Jesús Díaz; |
| 782 | Ionic Liquid Gating Induced Self-intercalation of Transition Metal Chalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present a new controlling method using ionic liquids, where metals dissolved from layered transition metal dichalcogenides (TMDCs) are driven into the van der Waals gap, forming three-dimensional monochalcogenides [2]. |
Fei Wang ; Yang Zhang ; Zhijie Wang ; Jia Li ; Pu Yu ; Shuyun Zhou; |
| 783 | Growth of Epitaxial YB6-x Films with Molecular Beam Epitaxy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use molecular beam epitaxy (MBE) to deposit sub-40 nm thick YB 6-x films on semiconducting (001)-oriented Si substrates. |
Jason Hoffman ; Anjolaoluwa Bamtefa ; Jennifer Hoffman; |
| 784 | Synthesis of Layered Square-planar Lanthanum Nickelate Thin Films, Lan+1NinO2n+2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the role of epitaxial strain in the synthesis of Lanthanum-based layered nickelates on NdGaO 3 and SrTiO 3. |
Dan Ferenc Segedin ; Grace Pan ; Ari Turkiewicz ; Abigail Jiang ; Charles Brooks ; Julia Mundy; |
| 785 | Nucleation and Growth of Oxide Nanoparticles in Internally Oxidized APC Nb3Sn and Their Influence on Flux Pinning Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present simple analytic nucleation and growth analysis which is consistent with the observed trends in nanoparticle size with Nb-alloying element and the trend in particle size as we move through the A15 layer. |
Mike Sumption; |
| 786 | Raman Response in Time Reversal Symmetry Broken Superconductors Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will discuss the Raman response of multiband s-wave superconductor in A 1g and B 1g irreducible representations all the way across the TRS breaking transition and show that the spectrum is very rich involving the possibility of dark Leggett and Bardassis-Schreiffer modes, sensitivity to the phase of the ground state, and sensitivity to the attractive or repulsive nature of the interband interactions. |
Saurabh Maiti ; Surajit Sarkar; |
| 787 | Orbitally Controlled Quantum Hall State in Decoupled Two-Bilayer Graphene Sheets Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report on integer and fractional quantum Hall states in a stack of two twisted Bernal bilayer graphene sheets. |
Soyun Kim ; Dohun Kim ; Kenji Watanabe ; Takashi Taniguchi ; Jurgen Smet ; Youngwook Kim; |
| 788 | Emergent Nematic Phase in GaAs Quantum Wells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report on experimental evidence of another nematic phase which is stabilized in a very narrow range of tilt angles. |
Elliot Bell ; Yoon Jang Chung ; Kirk Baldwin ; Kenneth West ; Loren Pfeiffer ; Michael Zudov; |
| 789 | Fractional Quantum Hall Ferromagnetism and Disappearing Insulating Phases Near A Landau Level Crossing in The Extreme Quantum Limit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the same crossing in the extreme quantum limit near ν = 1/3. |
Casey Calhoun ; Chengyu Wang ; Pranav Thekke Madathil ; Loren Pfeiffer ; Kirk Baldwin ; Mansour Shayegan; |
| 790 | Metastable Nematicity at Ν = 7/2 in GaAs Quantum Wells Mediated By Nuclear Spin Polarization Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report the observation of a metastable anisotropic state at ν=7/2 that relaxes to an isotropic state depending on the degree of nuclear spin polarization in the GaAs quantum well. |
Ramon Guerrero-Suarez ; James Nakamura ; John Watson ; Saeed Fallahi ; Geoffrey Gardner ; Michael Manfra; |
| 791 | Setting New Standards for Mobility of 2D Holes in GaAs Quantum Wells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For the first time, in a 2DHS in any material, we obtain peak mobility ≃10 x 10 6 cm 2/Vs at density of only ≃3.8 x 10 10 /cm 2, at 300 mK which rises to ≃18 x 10 6 cm 2/Vs (implying a mean-free-path ≃57 µm) when measured at 30 mK. We achieve this by optimizing the structure design by systematically adjusting the alloy fraction (x) of the Al xGa 1-xAs barrier near the quantum well, and the width of the quantum well. |
Adbhut Gupta ; Chengyu Wang ; Siddharth Kumar Singh ; Kirk Baldwin ; Roland Winkler ; Mansour Shayegan ; Loren Pfeiffer; |
| 792 | Anisotropic Disordered Wigner Solid in A Two-dimensional Electron System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report transport measurements in a clean (low-disorder) two-dimensional electron system with anisotropic effective mass and Fermi sea. |
Md. Shafayat Hossain ; Meng Ma ; Kevin Villegas Rosales ; Edwin Chung ; Loren Pfeiffer ; Kenneth West ; Kirk Baldwin ; Mansour Shayegan; |
| 793 | Tunneling Spectroscopy in The Weak Backscattering Limit at The Ν = 1/3 FQHE Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report measurements of tunneling spectroscopy in the weak backscattering regime at the Laughlin ν = 1/3 state. |
Tanmay Maiti ; James Nakamura ; Shuang Liang ; Geoffrey Gardner ; Michael Manfra; |
| 794 | Microwave Activation Studies of Fractional Quantum Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Fractional quantum Hall states are characterised by gap energies for quasiparticle-quasihole excitations and these gaps are typically measured from the temperature (T) dependence of the FQHE R xx minima in the thermally activated regime. Here, we examine the possibility of determining these gaps by measuring the microwave power (P) variation of the R xx minima with the specimen at base temperature, followed by a calibrated conversion of P to T. |
Ramesh Mani ; Annika Kriisa ; Christian Reichl ; Werner Wegscheider; |
| 795 | Rf Spectroscopy of Wigner Solids in Ultralow-disorder GaAs Hosted Two-dimensional Hole Systems in High Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the high-magnetic-field Wigner solid (WS) phase in a new generation [1,2] of 2D hole systems (2DHS) in GaAs. |
alexander roubos ; Adbhut Gupta ; Lloyd Engel ; Chengyu Wang ; Kirk Baldwin ; Loren Pfeiffer ; Mansour Shayegan; |
| 796 | Highly-anisotropic Even-denominator Fractional Quantum Hall State in An Orbitally-coupled Half-filled Landau Level Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report the observation of an even-denominator FQHS with highly-anisotropic in-plane transport coefficients at Landau level filling factor ν = 3/2. |
Chengyu Wang ; Mansour Shayegan ; Adbhut Gupta ; Edwin Chung ; Loren Pfeiffer ; Kirk Baldwin ; Roland Winkler; |
| 797 | Topological Phase Transition Between Composite Fermion and Pfaffian Daughter States Near Ν = 1/2 Fractional Quantum Hall State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report strong 1/2 FQHSs in ultrahigh-quality, wide, GaAs quantum wells, with transport energy gaps up to ≈ 4 K, among the largest gaps reported for any even-denominator FQHS. |
Siddharth Kumar Singh ; Chengyu Wang ; Chia-Tse Tai ; Casey Calhoun ; Adbhut Gupta ; Kirk Baldwin ; Loren Pfeiffer ; Mansour Shayegan; |
| 798 | Evidence for Correlated Defects in An Ultra-clean Wigner Crystal in The Extreme Quantum Limit Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Low-disorder two-dimensional electron systems in the presence of a strong, perpendicular magnetic field terminate at very small Landau level filling factors in a Wigner crystal … |
Pranav Thekke Madathil ; Chengyu Wang ; Siddharth Kumar Singh ; Adbhut Gupta ; Kevin Villegas Rosales ; Yoon Jang Chung ; Kenneth West ; Kirk Baldwin ; Loren Pfeiffer ; Lloyd Engel ; Mansour Shayegan; |
| 799 | Moving Crystal Phases of A Quantum Wigner Solid in An Ultra-high-quality 2D Electron System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report here measurements on an ultra-low-disorder, dilute 2DES, confined to a GaAs quantum well. |
Kevin Villegas Rosales ; Pranav Thekke Madathil ; Edwin Chung ; Loren Pfeiffer ; Kirk Baldwin ; Kenneth West ; Mansour Shayegan; |
| 800 | Correlation, Pairing, and Crystallization of 2D Electron-flux Composite Fermions Near Ν = 1/6 Filling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Remarkably, we observe a pronounced, sharp, minimum in magnetoresistance at the even-denominator filling ν = 1/6 superimposed on an insulating background. |
Chengyu Wang ; Pranav Thekke Madathil ; Siddharth Kumar Singh ; Adbhut Gupta ; Edwin Chung ; Loren Pfeiffer ; Kirk Baldwin ; Mansour Shayegan; |
| 801 | Nature of The Electron-phonon Coupling in KTaO3 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present our findings on the Rashba-like coupling between conduction electrons and soft transverse polar modes. |
Maria Navarro Gastiasoro ; Giulia Venditti ; Maria Eleonora Temperini ; Paolo Barone ; Jose Lorenzana ; Francesco Macheda; |
| 802 | Superfluid Stiffness and Superconducting Gap of KTaO3-based 2D Gas Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present dc and microwave transport experiments on gate tunable superconducting 2-DEGs formed at the (111)-oriented AlOx/KTaO 3 interface. |
Nicolas Bergeal ; Srijani Mallik ; Gerbold Ménard ; Guilhem Saiz ; Hugo Witt ; Jerome Lesueur ; Alexandre Gloter ; Lara Benfatto ; Manuel Bibes; |
| 803 | Role of Optical Phonons for Normal and Superconducting State Properties of KTO Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here by soft X-ray angle-resolved photoemission spectroscopy, we directly resolve the electronic structure of the LaAlO$_3$/KTaO$_3$ interfacial superconductors and the non-superconducting counterpart. |
Haichao Xu; |
| 804 | Strong Violation of The Pauli Limit for The Upper Critical Field of The KTaO3(111) Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The nature of superconductivity and its interplay with strong spin–orbit coupling at the KTaO 3(111) interfaces remain a subject of debate. I will talk about our recent … |
Kaveh Ahadi; |
| 805 | Theory of Spin and Valley Lifetimes in Bilayer Graphene Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present theoretical considerations regarding the formation of quantum dots in graphene and report on recent progress in understanding the relevant physical mechanisms of spin and valley relaxation in electrostatically gated bilayer graphene quantum dots [3]. |
Guido Burkard; |
| 806 | Symmetry Protected Spin-valley Blockade in Graphene Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we show that bilayer graphene allows realizing electron-hole double quantum-dots that exhibit nearly perfect particle-hole symmetry, where transport occurs via the creation and annihilation of single electron-hole pairs with opposite quantum numbers [1]. |
Christoph Stampfer; |
| 807 | Gate-defined Accumulation-mode Quantum Dots in Monolayer and Bilayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For single dot devices, an intrinsic readout method in bilayer WSe 2 for spin-valley lifetime measurement will be described along with devices designed to implement it. |
Hugh Churchill; |
| 808 | Towards Spin-valley Qubits Based on In-gap Quantum Dots in The Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Such “spin-valley locking” can be inherited by in-gap states due to atomic point defects [1] making them promising candidates for spin-valley quantum bits (qubits), that may be coherently controlled electrically and optically. Towards this end, we have developed a robust device architecture allowing for transparent electrical contact to atomically-thin layers of MoS 2, down to temperatures as low as T=150mK. |
Bent Weber; |
| 809 | Theory of Coherent Control of Spin-valley Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This feature opens up the possibility of leveraging the combination of the electronic spin and valley degrees of freedom for coherent quantum dynamics, including opportunities for quantum information processing. In this theory talk, I will introduce the concept of a spin-valley qubit via specific example materials, and review recent progress and open challenges toward exploiting these qubits for quantum information. |
Andras Palyi; |
| 810 | Tin As A Nuclear Spin Qubit in Silicon Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will discuss the potential of isoelectronic nuclear spins qubits, with an emphasis on tin [PRX Quantum 3, 040320 (2022)]. |
Wayne Witzel; |
| 811 | Probing The Single-particle Valley Relaxation Time in Bilayer Graphene Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report single-particle valley relaxation times of up to 7 μs in a BLG quantum dot, sufficiently long to utilize a valley state for coherent manipulation. |
Katrin Hecker ; Luca Banszerus ; Lin Wang ; Samuel Möller ; Kenji Watanabe ; Takashi Taniguchi ; Guido Burkard ; Christian Volk ; Christoph Stampfer; |
| 812 | Simulating Spin-valley Locking in The Transport Spectroscopy of Bilayer Graphene Quantum Dots Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Keeping in mind recent experiments [1-2], we present a detailed simulation of the transport spectroscopy [3] of bilayer graphene single quantum dots, considering the spin-valley physics in detail. |
Bhaskaran Muralidharan ; Sundeep Kapila; |
| 813 | Characterizing Spin-valley-blockades in The Bilayer Graphene System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The comprehensive and integrated computational models developed in this study thus lay a foundation for future experiments in the field of transport spectroscopy in other 2D-material platforms for the experimental realization of spin-valley qubits. |
Bhaskaran Muralidharan ; Ankan Mukherjee ; Adil Khan ; Anuranan Das; |
| 814 | Characterizing The Effective G-tensor of Hole Qubits in Planar Germanium Quantum Wells Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we use a nonsymmetrized multiband k·p theory to investigate the dependence of the qubit’s effective g-tensor to experimentally relevant parameters such as strain and electric and magnetic field strength and orientation. |
Ralph Colmenar ; Charles Tahan; |
| 815 | Boundary Conditions for A Hole Spin Qubit in A Ge Quantum Dot Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: One main difficulty of studying holes in a realistic heterostructure is the coupled boundary conditions, which are a direct result of the multi-band theory. In this talk, we will introduce a perturbative treatment to address this boundary condition problem. |
Jiawei Wang ; Xuedong Hu ; Herbert Fotso; |
| 816 | Oral: Sweet Spots and Sweet Lines in Ge/GeSi Hole Spin Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We theoretically investigate sweet spots and sweet lines in Ge/GeSi hole spin qubit heterostructures with different symmetries (disk-shaped, squeezed and displaced hole quantum dots, under homogeneous and inhomogeneous strains). |
Lorenzo Mauro ; Esteban Alonso Rodriguez Mena ; Yann-Michel Niquet; |
| 817 | A Study of Symmetry-protected Topology of Surfaces of Maximum Entanglement in Si, Ge and GaAs for Spin-qubit Architectures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The topology of the surfaces where det(g) = 0 is particularly intricate in the case of the first conduction bands of Si and the second conduction band of Ge. We observe that these surfaces can be as complex as Fermi surfaces and share similar characteristics. |
Mira Ramakant Sharma ; David DiVincenzo; |
| 818 | Observation of Microsecond Lived Quantum States in Carbon-based Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By performing quantum manipulations such as Rabi oscillations, Ramsey fringes and spin echoes, we demonstrate coherence times of the order of 1 μs, 2 orders of magnitude larger that what has been measured so far in any carbon quantum circuit and 1 order of magnitude larger than Si based quantum dots in comparable environment. |
Benoît Neukelmance ; Benjamin Hue ; Lucas Jarjat ; Arnaud Thery ; William Legrand ; Jules Craquelin ; Tino Cubaynes ; Gulibusitan Abulizi ; Jeanne Becdelievre ; Maria El Abassi ; Quentin Schaeverbeke ; Audrey Cottet ; Matthieu Desjardins ; Matthieu Delbecq ; Takis Kontos; |
| 819 | Sweet Spot Combining Qubit Coherence and Speed Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This seems to suggest that stronger SOI leads to faster qubit operation but only at the cost of coherence. Here, we provide experimental evidence in a Ge/Si core/shell nanowire demonstrating a qubit which reaches its most coherent point of operation exactly when its speed is the fastest, coinciding with vanishing derivatives of its g-factor with respect to all gates. |
Miguel Carballido ; Simon Svab ; Rafael Eggli ; Pierre Chevalier Kwon ; Erik P. A. M. Bakkers ; Ang Li ; Jonas Schuff ; Taras Patlatiuk ; José Egues ; Carlos ; Stefano Bosco ; Daniel Loss ; Dominik Zumbuhl; |
| 820 | Mechanism of High-temperature Quantum Dot Operation in Isoelectronic-trap-assisted Tunnel FETs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we report the device simulation clarifying the high-temperature SET operation mechanism. |
Shota Iizuka ; Hidehiro Asai ; Kimihiko Kato ; Hiroshi Oka ; Junichi Hattori ; Koichi Fukuda ; Takahiro Mori; |
| 821 | All-Optical Single Shot Readout of A Superconducting Qubit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate all-optical single-shot readout by means of the Jaynes-Cummings nonlinearity in a circulator-free readout scheme. |
Georg Arnold ; Thomas Werner ; Rishabh Sahu ; Liu Qiu ; Lucky Kapoor ; Johannes Fink; |
| 822 | Mechanical Modes Manipulation in Magnomechanical and Optomechanical Hybrid System Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a hybrid platform to manipulate the mechanical degrees of freedom with magnetostrictive interaction and optically through the radiation pressure. |
Mai Zhang; |
| 823 | Coherence Studies of Hundreds of Overtone Modes in A Bulk Acoustic Wave Resonator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present a study of the coherence properties of hundreds of HBAR modes spanning several-GHz in frequency. |
Arianne Brooks ; Lukas Deeg ; Pietro Borghi ; Hugo Doeleman ; Uwe von Lüpke ; Maxwell Drimmer ; Joost Bus ; Gerhard Kirchmair ; Yiwen Chu; |
| 824 | Manufacturing Large-scale High-yield Hybrid Superconducting-semiconducting On-chip Cryogenic Switches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present our latest progress in the development of quantum integrated circuits based on hybrid superconductor-semiconductor two-dimensional electron gas in InGaAs heterostructure. |
Kaveh Delfanazari ; Jiahui Li ; Peng Ma ; Reuben Puddy ; Yusheng Xiong ; Ian Farrer ; Sachio Komori ; Jason Robinson ; David Ritchie ; Michael Kelly ; Hannah Joyce ; Charles Smith; |
| 825 | Enhancement of The Coupling Between A Microwave Photon and A Color-center Spin Transition Via A Magnon Mode Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We describe an approach that dramatically enhances the effective coupling between microwave photons and CCS. |
Tharnier Puel ; Michael Flatté; |
| 826 | Surface Phonon Interference in Hybrid Quantum Acoustic Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on the spectral analysis of a simple experimental system comprised of a SAW resonator galvanically coupled to a microwave transmission line. |
Pranaya Kishore Rath ; Camryn Undershute ; Joe Kitzman ; Jingyu Zhang ; Johannes Pollanen; |
| 827 | Reservoir Engineered Hybrid Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we will explore quantum energy and correlation transport through a network of ensembles collectively coupled to environments. |
William Munro ; Josephine Dias ; Kae Nemoto; |
| 828 | Hybrid Superconducting Qubit Based on Topological Insulator Junction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a design that enables us to perform systematic characterization of the hybrid device, from DC transport of the S-TI-S junction, to RF spectroscopy, to full circuit QED control and detection of the hybrid qubit. |
Sheng-Wen Huang ; Ramya Suresh ; Botao Du ; Zachary Miles ; Jian Liao ; Leonid Rokhinson ; Yong Chen ; Ruichao Ma; |
| 829 | Measurement of Microwave Loss in Complex Oxide Heterostructures for Hybrid Quantum Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we systematically study the microwave loss in epitaxial heterostructures of barium titanate (BTO)-on-silicon (BTO/Si) as a promising platform for piezo-acoustic cavities. |
Ivan Lainez ; Richard Mattish ; Bernardo Langa ; Maggie Marte ; Deepak Sapkota ; Christopher Rouleau ; Jong Keum ; Kasra Sardashti; |
| 830 | Time-domain Coherent Magnon Interference with On-chip Superconducting Hybrid Magnonic Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we develop a superconducting circuit platform, incorporating chip-mounted single-crystal YIG spheres that are mounted in lithographically defined holes on silicon substrates with superconducting resonators, for implementing microwave-mediated distant magnon-magnon interactions [2]. |
Yi Li ; Moojune Song ; Tomas Polakovic ; Thomas Cecil ; John Pearson ; Ralu Divan ; Wai-Kwong Kwok ; Ulrich Welp ; Axel Hoffmann ; Kab-Jin Kim ; Valentine Novosad; |
| 831 | Oral: Towards Topological Magnons for Hybrid Magnonic Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we study the implementation of topological magnon modes for the entanglement of NV center qubits, paying special attention to the effect of differing edge state terminations. |
Jeff Leiberton ; Denis Candido; |
| 832 | Small-mode-volume Surface-acoustic-wave Resonators with Focused Gaussian Beam Modes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we fabricated the focused SAW resonators with electrodes of various curvatures and lengths to clarify the correspondence between the resonator designs and the resonance modes. |
Ryo Sasaki ; Rekishu Yamazaki ; Ryusuke Hisatomi ; Yuya Yamaguchi ; Atsushi Noguchi ; Yasunobu Nakamura; |
| 833 | Decoherence of Surface Phonons in The Weak Dispersive Regime of Circuit Quantum Acoustodynamics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we describe an experiment in which the electro-mechanical response of a surface acoustic wave (SAW) device enables the realization of an open cQAD system. |
Camryn Undershute ; Joe Kitzman ; Pranaya Kishore Rath ; Johannes Pollanen; |
| 834 | Employing Chemical Heuristics in Computational Materials Design of Functional Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation I will highlight my group’s attempts to computationally predict novel solid state functional materials for a range of applications. |
David Scanlon; |
| 835 | Active Learning: Accelerating Discovery of Optimal Optical Materials Through Synergistic Computational Approaches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: It may therefore inadvertently overlook potentially valuable areas within the materials space. To go one step further in this search, we here introduce an active learning framework powered by the synergistic use of an AI agent, open databases (via OPTIMADE [2]) and density-functional theory calculations. |
Victor Trinquet ; Matthew Evans ; Pierre-Paul De Breuck ; Gian-Marco Rignanese; |
| 836 | Second-harmonic Generation Tensors from High-throughput Density-functional Perturbation Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present work, the static nonlinear susceptibility and dielectric tensor are computed via density functional perturbation theory for a set of 579 inorganic semiconductors. |
Victor Trinquet ; Francesco Naccarato ; Guillaume Brunin ; Guido Petretto ; Ludger Wirtz ; Geoffroy Hautier ; Gian-Marco Rignanese; |
| 837 | Rational Design of Birefringent Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present design rules for identifying materials with large birefringence, and in conjunction with screening of materials databases and first-principles electronic structure calculations, we will list promising birefringent materials. |
Rohan Mishra ; Gwan-Yeong Jung ; Guodong Ren ; Pravan Omprakash ; Jayakanth Ravichandran; |
| 838 | COGITO: A Tool to Unlock The Chemistry in Crystals After DFT Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a new algorithm, Crystal Orbital Guided Iteration To atomic-Orbital (COGITO), which systematically maps the DFT plane wave solutions to nonorthogonal atomic-orbital tight binding with a high level of accuracy. |
Emily Oliphant ; Wenhao Sun ; Emmanouil Kioupakis; |
| 839 | Efficient Modeling of Optical Spectra of Nanocrystal Ensembles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We aim to model the spectral broadening observed in ensemble NC optical spectra due to polydispersity associated with size. |
Erick Hernandez Alvarez ; Andrew Smith ; Andre Schleife; |
| 840 | Shaping and Harnessing Disorder in Photonic Materials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will outline how the Fast Reciprocal-Space Correlator (FReSCo) addresses the issue by generating interesting materials using non-uniform Fast Fourier Transforms. |
Mathias Casiulis ; Aaron Shih ; Stefano Martiniani; |
| 841 | Analysis of The Indirect to Direct Bandgap Transition in Multilayer InSe By First Principles Calculations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work represents a foundational step in understanding the structural changes that occur during the bandgap transition that will guide the design of multi-component heterostructures containing InSe in electronic and electro-optical devices. |
Nicholas Pike ; Ruth Pachter; |
| 842 | A Twist for Electronic and Caloritronic Nanoswitches Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the present study, we computationally investigated both electronic and thermal transport properties of junctions based on Zigzag Graphene Nano-Ribbon (ZGNR) and twisted rectangular benzenoids [6,3] flake in both AA and AB-stacking configurations. |
Azar Ostovan ; Karolina Milowska ; Carlos J. Garcıa-Cervera; |
| 843 | · Studies of Thermal Properties of Aluminum Composites Using Molecular Dynamics Simulation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we present a systematic investigation of the thermal conductivity of composites comprising Aluminum and Gr or h-BN using molecular dynamics simulations. |
Jaejin Hwang ; Jaekwang Lee; |
| 844 | Mechanical Stability of Body-centered Cubic Iron in Born-von Kármán Parameter Space Via Evolutionary Computation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We developed a genetic algorithm to explore the range of mechanical stability in reduced parameter space of body-centered cubic (BCC) iron. |
Amir Husen ; Jorge Munoz; |
| 845 | Nonperturbative Determination of Isotope-induced Anomalous Vibrational Physics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper, we develop fundamental understandings for the anomalous lattice physics under the failure of QPT and provide an approach in exploring transport phenomena for materials of extreme properties. |
Huan Wu ; Zihao Qin ; Suixuan Li ; Yongjie Hu; |
| 846 | Emergent Quantum Phase Transition of A Charge-Density-Wave Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: There are two broad classes of phase transitions known in critical phenomena: thermal phase transitions, which typically go from an ordered phase to a disordered phase (driven by thermal fluctuations) and quantum phase transitions, which typically go from an ordered phase to a quantum coherent phase at zero temperature (driven by quantum fluctuations). Here, we introduce a new class of transitions that lie in between these two, which we call an emergent quantum phase transition. |
James Freericks ; Maciej Maśka ; Romuald Lemanski; |
| 847 | How Prominent Are Microemulsion Phases in 2D Electron Systems? Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: A prominent proposal is that direct first-order transitions are replaced by a series of "microemulsion" phases characterized by patterns of mesoscopic domains where the two phases are intermixed. In this work, we examine the range (Δn) of average electron density that these microemulsion phases may occupy. |
Sandeep Joy ; Brian Skinner; |
| 848 | Anderson Critical Metal Phase in Trivial States Protected By C2zT Symmetry on Average Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that, under quenched weak chemical potential disorder that respects the C 2zT symmetry on average, the intermediate metallic phase remains delocalized (up to numerically accessible system sizes), where every point in a finite transition process is a scale-invariant critical metal in the thermodynamic limit. |
Fajie Wang ; Zhenyu Xiao ; Raquel Queiroz ; Ady Stern ; Andrei Bernevig ; Zhida Song; |
| 849 | Quantum Crystallization in A Sombrero Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study the process of quantum crystallization and the intermediate phases of the sombrero metal at zero-temperature using the Hartree-Fock approximation. |
Ambuj Jain ; Chunli Huang; |
| 850 | Dynamics of Dipolar BECs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We consider layered Bose-Einstein condensates interacting via contact intra-condensate interactions and dipolar inter-condensate potentials, both of which dominate intercondensate tunneling (which we neglect for simplicity). |
Camilla Polvara ; Vadim Oganesyan ; Nishchhal Verma ; Sarang Gopalakrishnan; |
| 851 | SU(2)xU(1) Gauge Theory for Magnetic and Pairing Fluctuations in The 2D Hubbard Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In particular, we present a gauge theory description for fluctuations where the stiffnesses are computed in the coexisting phase from renormalization mean-field equations via the functional renormalization group (fRG). |
Demetrio Vilardi ; Pietro Maria Bonetti; |
| 852 | Solvabel Model for 2+1D Quantum Critical Points: Loop Soups of 1+1D Conforaml Field Theories Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We construct a class of solvable models for 2+1D quantum critical points by attaching 1+1D conformal field theories (CFTs) to fluctuating domain walls forming a "loop soup". |
Amin Moharramipour ; Dan Sehayek ; Thomas Scaffidi; |
| 853 | Conformal Invariance and Multifractality at Anderson Transitions in Arbitrary Dimensions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The operators O q satisfy the so-called Abelian fusion, expressed as a simple operator product expansion. Assuming conformal invariance and Abelian fusion, we use the conformal bootstrap framework to derive a constraint that implies that the multifractal spectrum Δ q (and its generalized form) must be quadratic in its arguments in any dimension d ≥ 2. |
Jaychandran Padayasi ; Ilya Gruzberg; |
| 854 | Quantum Hall Phases from Dipolar Symmetry Breaking Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate the related question of fermionic dipole symmetry-breaking orders that exhibit nontrivial topology. |
Amogh Anakru ; Zhen Bi; |
| 855 | Dipolar Quantum Solids Emerging in A Hubbard Quantum Simulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work demonstrates that novel strongly correlated quantum phases can be studied using dipolar interaction in optical lattices, opening the door to quantum simulations of a wide range of lattice models with long-range and anisotropic interactions. |
Lin Su ; Alec Douglas ; Michal Szurek ; Vassilios Kaxiras ; Vikram Singh ; Matjaz Kebric ; Annabelle Bohrdt ; Fabian Grusdt ; Ognjen Markovic ; Markus Greiner; |
| 856 | Charge-4e Superconductivity from Nematic Superconductor: Study Based on A Generalized XY Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we propose a concrete model on the honeycomb lattice with a nematic superconducting ground state. |
Xuan Zou ; Zhouquan Wan ; Hong Yao; |
| 857 | Deconfined Quantum Criticality Lost Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For instance, in the square-lattice spin-1/2 J-Q model, believed to realize the DQCP between Néel and valence bond solid states, conflicting results, such as first-order versus continuous transition, and drifting critical exponents incompatible with conformal bootstrap bounds, have been reported. Here, we solve this two-decades-long mystery by taking a new viewpoint, in that we systematically study the entanglement entropy of square-lattice SU(N) DQCP spin models, from N=2,3,4 within the J-Q model to N=5,6,…,12,15,20 within the J1-J2 model. |
Menghan Song; |
| 858 | Building Boundary/interface Conformal Theory from SYK Interactions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Coupling defects to extended critical degrees of freedom results in a class of intriguing theories known as the defect conformal field theory (CFT), which aids in our understanding of both quantum entanglement and holographic aspects of gravity. We construct such a theory by coupling the 1+1D CFT of N Majorana chains with an SYK-type interaction at a defect site. |
Yang Ge ; Chang Jiang ; Shao-Kai Jian; |
| 859 | Generalized Symmetries in Ordered Phases and Applications to Disordering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we show that higher-form and non-invertible symmetries generally emerge in ordered phases and discuss their ability to predict and classify phase transitions into neighboring disordered phases. |
Salvatore Pace ; Xiao-Gang Wen ; Chenchang Zhu ; Agnès Beaudry; |
| 860 | Higher-form Symmetries Under Weak Measurement Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We aim to address the following question: if we start with a quantum state with a spontaneously broken higher-form symmetry, what is the fate of the system under weak local quantum measurements? |
Kaixiang Su ; Nayan Myerson-Jain ; Chong Wang ; Chao-Ming Jian ; Cenke Xu; |
| 861 | Correlation-driven Electronic States in "flat-band" Quasicrystals Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we perform unbiased Quantum Monte Carlo (QMC) simulations of both the repulsive and attractive Hubbard models on different types of Penrose tilings with distinct zero-energy-states properties. |
Yuxi Zhang ; Rafael Fernandes ; Richard Scalettar; |
| 862 | Nematicity from Incipient Electron Flat Bands in A Kagomé Metal Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present evidence for nematicity arising from incipient flat electronic bands away from the Fermi level in a kagomé metal CoSn. |
Nathan Drucker ; Thanh Nguyen ; MANASI MANDAL ; Phum Siriviboon ; Yujie Quan ; Douglas Abernathy ; Songxue Chi ; Fankang Li ; Christie Nelson ; Travis Williams ; Masaaki Matsuda ; Bolin Liao ; Pavel Volkov ; Mingda Li ; Mingda Li; |
| 863 | Variational Monte Carlo Study of J1-Jd-Jχ Model on The Kagome Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study the competition between the Jd and staggered scalar spin chiral term (with strength Jχ) on the kagome lattice using a variational Monte Carlo method with irreducible representation. |
Hee Seung Kim ; SungBin Lee ; Hyeok-Jun Yang ; Karlo Penc; |
| 864 | Characterizing Magnetism and Frustration in Strained Kagome Nanoribbons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study interacting electrons in a kagome nanoribbon in the presence of uniaxial strain. |
Rafael Costa ; Edson Vernek ; Sergio Ulloa; |
| 865 | Investigating The Effects of Nanoscale Strain on The Electronic Structure and Charge Density Waves in Kagome Superconductors AV3Sb5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use high-resolution scanning tunneling microscopy and spectroscopy to study the effects of nanoscale strain in CsV 3Sb 5 and KV 3Sb 5. |
Yidi Wang ; Hong Li ; Siyu Cheng ; Brenden Ortiz ; Ziqiang Wang ; Stephen Wilson ; Ilija Zeljkovic; |
| 866 | Magneto-transport Measurement of A New Uranium-based 2D Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The interplay between strong correlation, magnetism, and band topology gives rise to various exciting quantum phenomena, including integer and fractional quantum anomalous Hall effects, charge density wave, unconventional superconductivity, … Recently, a new Uranium-based, van der Waals layered antiferromagnet with high Neel temperature (T N~150K), has been successfully synthesized and emerged as a promising intrinsic material platform to study such interplay due to the possible heavy fermionic nature and strong spin orbit coupling of Uranium. In this work, we present magneto-transport and magnetic circular dichroism studies in this Uranium-based antiferromagnet from bulk single crystal down to a few atomic layer thin flakes. |
Thao Dinh ; Mengke Liu ; Christopher Broyles ; Junyeong Ahn ; Sheng Ran ; Ashvin Vishwanath ; Jenny Hoffman ; Philip Kim ; Suyang Xu; |
| 867 | Transition from Antiferromagnetic to Ferromagnetic Fluctuation Under Charge Doping in Pb9Cu(PO4)6O Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use a fluctuation exchange approximation (FLEX) approach to study the magnetic tendencies in Pb 9Cu(PO 4) 6O. |
Makoto Shimizu ; Junya Otsuki ; Harald Jeschke; |
| 868 | Stripe Magnetism in A Metallic Triangular Lattice Antiferromagnet Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we present an experimental investigation of the triangular lattice compound CeLi 3Bi 2 through thermodynamic, electrical transport, nuclear magnetic resonance, and neutron diffraction measurements. |
Priscila Rosa ; Mitchell Bordelon ; Riku Yamamoto ; Clement Girod ; James Wampler ; Phurba Sherpa ; Adam Dioguardi ; Stuart Calder ; Vivien Zapf ; Joe Thompson ; Filip Ronning ; Sean Thomas ; Eric Bauer ; Michihiro Hirata; |
| 869 | Revealing The Unique Domain Boundary Structure and Topological Defects of Spin-density-wave State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: On their domain boundaries, we observed grid-like CDW modulations. |
Yining Hu ; Xu Wang ; Chen Chen ; Qingle Zhang ; Dongming Zhao ; Tianzhen Zhang ; Tong Zhang ; Donglai Feng; |
| 870 | Emergent Inductance from Spin Fluctuations in Strongly Correlated Magnets Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Recently, the intriguing phenomenon of emergent inductance has been theoretically proposed and experimentally observed in nanoscale spiral spin systems subjected to oscillating … |
Taekoo Oh ; Naoto Nagaosa; |
| 871 | Polaronic Mechanism of Nagaoka Ferromagnetism in Hubbard Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using large-scale density-matrix renormalization group (DMRG) calculations, we present a comprehensive investigation of the Nagaoka polaron problem in a Hubbard model, without simplification to the t-J limit. |
Ravindra Bhatt ; Rhine Samajdar ; Johannes Dieplinger; |
| 872 | A Field Theory Approach to Orbital Magnetic Responses in Interacting Multiband Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I present a noncommutative field theory approach that systematically compute orbital magnetic responses in interacting multiband systems to all orders in an external magnetic field by computing the free energy. |
Mengxing Ye; |
| 873 | Mesoscopic Transport in A Chern Mosaic Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We study transport properties of a Chern mosaic: a regular tiling of alternating Chern domains. |
Sayak Bhattacharjee ; Julian May-Mann ; Yves Hon Kwan ; Trithep Devakul; |
| 874 | Intracellular Charge Density Texture in Twisted Bilayer Graphene Away from The Chiral Limit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We previously found that these flat bands yield intra-cellular textures in charge density that possess more nodes at higher magic angles. In particular, we note that there are nodes with real space positions dependent on Bloch momentum, and we now show that this explains the existence of a node on the AA stacking site at the Γ point for the first magic angle, which may have implications for scanning tunnelling microscopy experiments. |
Jungho Daniel Choi ; Jie Wang ; Jennifer Cano; |
| 875 | First Landau Level in Moiré Graphene System at Zero Magnetic Field Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we provide a sharp definition of what first Landau level quantum geometry means when there is no external magnetic field, or magnetic translation symmetry. |
Manato Fujimoto ; Patrick Ledwith ; Daniel Parker ; Junkai Dong ; Eslam Khalaf ; Ashvin Vishwanath; |
| 876 | Quasicrystals in Twisted Graphene on Hexagonal Boron Nitride Viewed Through Scanning Tunneling Microscopy and Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We find that as a function of energy and magnetic field, the electronic states transit between crystal and quasicrystal structures. |
Xinyuan Lai ; Daniele Guerci ; Guohong Li ; Kenji Watanabe ; Takashi Taniguchi ; Justin Wilson ; Jed Pixley ; Eva Andrei; |
| 877 | Negative Magnetoresistance in Large-angle Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Large-angle tBLG therefore behaves approximately like monolayer graphene, but with an extra two-fold layer degeneracy that can be lifted by a perpendicular electric field. Here, we report the surprising observation of negative magnetoresistance (NMR) in such samples. |
Xuetao Ma ; Zhaoyu Liu ; Kenji Watanabe ; Takashi Taniguchi ; David Cobden ; Jiun-Haw Chu ; Matthew Yankowitz; |
| 878 | Twist Angle Dependent Cyclotron Orbits in Twisted Bilayer Graphene Measured with Time Domain Terahertz Spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We model the observed THz spectrum with a Drude term describing free electron like motion and a lattice polarizability to determine the effective mass and scattering rate change from small to large twist angles. |
Benjamin Mead ; Spenser Talkington ; Seongjun Yang ; Cheol-Joo Kim ; Eugene Mele ; Liang Wu; |
| 879 | Unique Electronic States in Biaxially Heterostrained Graphene Bilayers Moirés Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will show experimental evidence that heterostrain doesn’t need the twist to express, but can induce new electronic states in aligned bilayers, through the formation of biaxial moirés. We will describe how the unique relaxation of these moirés form symmetry-breaking spiralling solitons that localize electronic states even more efficiently than twist moirés. |
Florie Mesple ; Niels Walet ; Guy Trambly de Laissardiere ; Francisco Guinea ; Djordje Dosenovic ; Hanako Okuno ; Colin Paillet ; Adrien Michon ; Claude Chapelier ; Vincent Renard; |
| 880 | Tunable Photon Absorption and Rayleigh Response in Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the polarization-controlled absorption characteristics of twisted bilayer graphene (tBLG) subject to one and two-photon absorption. |
Disha Arora ; Deepanshu Aggarwal ; Sankalpa Ghosh ; Rohit Narula; |
| 881 | Extended Linear-in-T Resistivity Due to Electron-phason Scattering in Moiré Superlattices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We show that scattering of electrons off of phason modes in incommensurate moiré superlattices, such as twisted bilayer graphene, can give rise to a large, linear-in-T resistivity down to very low temperatures. |
Hector Ochoa ; Rafael Fernandes; |
| 882 | Structural Relaxation Effects on The Low-energy Electronic Structure of Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We provide the relaxation patterns for the interlayer separation and the in-plane displacements (with respect to the ideal TBG structure) covering the whole moiré pattern. |
Chi-Ruei Pan ; Martin Callsen ; Wei-En Tseng ; Mei-Yin Chou; |
| 883 | Filaments of Critical States in Quasi-periodic Twisted Bilayer Graphene Models Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Ignoring sub-leading AA interlayer tunneling, the chiral B-M model takes the same form as Dirac surface states of class CI topological superconductors. |
Xinghai Zhang ; Justin Wilson ; Matthew Foster; |
| 884 | Image Mini-twisted-angle Bilayer Graphene By Magneto Scanning Near-field Optical Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The application of magneto scanning near-field optical microscopy (m-SNOM) has yielded critical insights into the excitation of Dirac magnetoexcitons (DiME) on monolayer graphene, … |
Wenjun Zheng ; Ran Jing ; Zijian Zhou ; Mengkun Liu; |
| 885 | Inducing Flat Chern Bands in Bilayer Graphene Exposed to A Superlattice Potential Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we explore extensions of the model of Ghorashi et al. [1] to find additional means of inducing flat Chern bands. |
Daniel Seleznev ; Jennifer Cano ; David Vanderbilt; |
| 886 | Projective Construcion of Composite Fermion States in Fractional Chern Insulator Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently, exciting experimental signatures of such states have been reported in twisted MoTe$_2$ bilayer systems. Motivated by these experimental and theoretical progresses, in this paper, we develop a projective construction for the composite fermion states (either the Jain’s sequence or the composite Fermi liquid) in a partially filled Chern band with Chern number $C=\pm1$, which is capable of capturing the microscopics, e.g., symmetry fractionalization patterns and magnetoroton excitations. |
Xiaodong Hu ; Di Xiao ; Ying Ran; |
| 887 | Mapping Twist-tuned Multi-band Topology in Bilayer WSe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work establishes the topological phase diagram of a generalized Kane-Mele-Hubbard model in tWSe 2, demonstrating a tunable platform for strongly correlated topological phases. |
Benjamin Foutty ; Carlos Kometter ; Trithep Devakul ; Aidan Reddy ; Kenji Watanabe ; Takashi Taniguchi ; Liang Fu ; Ben Feldman; |
| 888 | Toward A Global Phase Diagram of The Fractional Quantum Anomalous Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on several theoretical and numerical studies on the many-body phase diagram of tMoTe2 in the filling range 0 < n < 1 where n is the number of holes per moiré unit cell. |
Aidan Reddy ; Liang Fu ; Nisarga Paul ; Hart Goldman ; Faisal Alsallom ; Trithep Devakul ; Yang Zhang; |
| 889 | Classification of Vortexable Bands Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk will present a classification of "vortexable" or "ideal" bands with higher Chern number via mathematics results from the holomorphic geometry. |
Daniel Parker ; Patrick Ledwith ; Ashvin Vishwanath; |
| 890 | Exact Many Body Ground States of Vortexable Bands with Higher Chern Number: Applications to Moire Multilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we derive exact many body ground states of vortexable higher Chern bands, which have recently been predicted in various moire graphene structures. |
Patrick Ledwith ; Junkai Dong ; Eslam Khalaf ; Jong Yeon Lee ; Ashvin Vishwanath; |
| 891 | Helical Quadrilayer Graphene: Towards An Ideal Version of Magic Angle Graphene’s Flat Bands Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We introduce a new moire graphene platform: helical quadrilayer graphene, which consists of four layers of graphene where layers are twisted and stacked uniformly, with the same angle between each adjacent pair of layers. |
Ashvin Vishwanath ; Manato Fujimoto ; Patrick Ledwith; |
| 892 | Probing The Hofstadter’s Butterfly in Graphene/hexagonal-boron Nitride Moire Superlattice Using Infrared Magneto-spectroscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Graphene on hexagonal boron nitride (hBN) exhibits a rotation-dependent moiré pattern. Perfect alignment causes the superlattice potential to match the magnetic length … |
Yashika Kapoor ; Xinyi Du ; Gwyneth Phillips ; Takashi Taniguchi ; Kenji Watanabe ; Jordan Russell ; Erik Henriksen; |
| 893 | Magnetic Field Driven Quantum Phases in Magic Angle Twisted Bilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a rich sequence of wedge-like regions of quantized Hall conductance with Chern numbers C = ±1, ±2, ±3 and ±4, which nucleate from integer fillings of the moiré unit cell ν = ±3, ±2, ±1 and 0, respectively. |
Ipsita Das; |
| 894 | Topological Holography, Quantum Criticality, and Boundary States Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we develop the topological holographic picture for (1+1)d quantum phases, including both gapped phases as well as a wide range of quantum critical points, including phase transitions between symmetry protected topological (SPT) phases, symmetry enriched quantum critical points, deconfined quantum critical points and intrinsically gapless SPT phases. |
Sheng-Jie Huang ; Meng Cheng; |
| 895 | Disordered and Decohered Emergent Anomalies: The Case for Intrinsic Average Symmetry Protected Topological Phases Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show that if we loosen the constraint of quantum coherence, there is yet another possibility: a short-range correlated mixed state that consists of a collection of symmetry-broken states so that the whole ensemble is invariant under the IR symmetry group. |
Yichen Xu ; Chao-Ming Jian; |
| 896 | Constraints and Topological Order in The Fermionic Dimer Model Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We establish some general constraints on such fractionalized electronic insulators. Armed with this theoretical understanding we numerically probe fermionic dimer models at fractional filling by performing exact diagonalization studies up to 126 sites. |
Seth Musser ; Ya-Hui Zhang ; Donna Sheng ; Senthil Todadri; |
| 897 | Exotic Z_N Generalization of 3D Fractons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we introduce a set of Z N generalizations of a few 3D Z 2 stabilizer models including fracton models, known as the toric code, X-cube model, and Haah code. |
Chanbeen Lee ; Yaozong Hu ; Gil Young Cho ; Haruki Watanabe; |
| 898 | Unveiling UV/IR Mixing Via Symmetry Defects: A View from Topological Entanglement Entropy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Focusing on the fact that the rank-2 toric code is a translation symmetry-enriched topological phase, we show that viewing distinct system sizes as different translation symmetry defects can explain both our TEE results and the GSD of the rank-2 toric code. Our work establishes the symmetry defect framework as the most complete description of this system size dependence. |
Danny Bulmash ; Jintae Kim ; Yun-Tak Oh ; Jung Hoon Han; |
| 899 | A Parent Model for Symmetry-protected Topological Phases, Topological Order, and Symmetry Breaking in (2+1)d Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we introduce a (2+1)d lattice model that serves as a versatile parent theory for symmetry-protected topological phases protected by both ordinary global symmetries and one-form global symmetries. |
Benjamin Moy ; Eduardo Fradkin; |
| 900 | Luttinger Liquid Plasmons in Single Walled Carbon Nanotubes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present our preliminary scanning near-field optical microscopy data of the temperature and substrate dependence of LLPs in SWCNTs. |
Garett Reichenbach; |
| 901 | Optically Tunable Fano Resonances in Carbon Nanotubes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Specifically, by tuning the quantum pathways of phonon Raman scattering across the exciton resonance using negatively detuned laser pulses, the Fano lineshapes transition continuously from antiresonance to dispersive features and to symmetric Lorentzian. We show that such nonlinear Fano effects depends sensitively on the driving energy and intensity, leading to ultrafast switching between asymmetric Fano lineshapes and symmetric Lorentzian profiles. |
Chaw-Keong Yong ; Si-Jie Chang ; Po-Chun Huang ; Michitoshi Hayashi; |
| 902 | Transport Properties Of Carbon Nanotubes Under High Magnetic Fields Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this contribution, we focus on the theoretical studies that deepen understanding of the observed phenomena and facilitate the design of required functionalities. |
Teresa Kulka ; Agnieszka Lekawa-Raus ; John Bulmer ; Nick Papior ; Jacek Majewski ; Magdalena Marganska ; Karolina Milowska; |
| 903 | Anisotropic Electron Transport in Highly Aligned Carbon Nanotube Films Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Through a deeper understanding of inter- and intra-tube electron transport, we aim to propel the optimization and application of macroscopic CNT materials for future technological advancements. |
Shengjie Yu ; Hongjing Xu ; Jacques Doumani ; Joe Khoury ; Geoff Wehmeyer ; Matteo Pasquali ; Matthew Foster ; Douglas Natelson ; Junichiro Kono; |
| 904 | Probing The Variation of Seebeck Coefficient of Carbon Nanotube Fibers Using Photothermoelectric Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our study provides a non-destructive method to quantify the uniformity of the CNT fibers at the micrometer scale and is helpful for fabricating more uniform and higher quality CNT fibers. |
Shusen Liao ; Yingru Song ; Shengjie Yu ; Oliver Dewey ; Matteo Pasquali ; Geoff Wehmeyer ; Junichiro Kono ; Douglas Natelson; |
| 905 | Spontaneous Emission Enhancement Anisotropy Near An Ultrathin Periodically Aligned Carbon Nanotube Film Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use a medium-assisted Quantum Electrodynamics approach to study spontaneous emission (SE) and photoluminescence (PL) of a quantum two-level dipole emitter (DE) near an ultrathin closely packed periodically aligned single-wall carbon nanotube (SWCN) film. |
Igor Bondarev ; Michael Pugh ; Firoz Seikh; |
| 906 | Curvature Energy and Circumferential Deformation Energy of Carbon Nanotubes from First Principles Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyzed the curvature energy and the circumferential deformation energy of armchair, zigzag, and chiral CNTs of various radii in order to obtain their dependences on the cylindrical radius. |
JeeYong Lee ; Hyoung Joon Choi; |
| 907 | The Role of Carbon-nanotube Vibrations in The Enhanced Transport of Confined Water Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We found that the longitudinal vibrations of the CNT induce collective diffusion of water molecules in the direction of the CNT’s axis, while the in-plane CNT vibrations further enhance the diffusion of water by breaking the H-bonds between water molecules. |
Xin Jin ; Deliang Bao ; Jordan Hachtel ; Sokrates Pantelides; |
| 908 | Optical Spectroscopy of Graphullerene: 2D Layers of Covalently Bonded Fullerenes Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Preliminary results confirm the Raman and photoluminescence (PL) results of Meirzadeh, et al 1. In this study, we use optical spectroscopic techniques, including polarized and low-frequency Raman, to characterize this novel carbon nanomaterial. |
Charlezetta Wilson-Stokes ; Elena Meirzadeh ; Tehseen Adel ; Adam Biacchi ; Thuc Mai ; Maria Munoz ; Sonya Smith ; Kim Lewis ; Colin Nuckolls ; Xavier Roy ; Angela Hight Walker; |
| 909 | Two-dimensional Self-assembled Networks of Aldehyde Functionalized Molecules Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have studied the self-assembly of a tetra-aldehyde substituted aromatic molecule (PTTA), on HOPG and the (111) surfaces of Au and Ag using scanning tunneling microscopy in both ultrahigh vacuum and at the solid-liquid interface. |
Mark Gallagher ; Hamzeh Nakhaei Niya ; Francis Agada ; Maryam Ebrahimi; |
| 910 | Femtosecond Manipulation of Two-Dimensional Ruderman-Kittel-Kasuya-Yasuda Interaction Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we use a unique combination of time-resolved photoemission spectroscopy and time-resolved magneto-optical Kerr effect measurements to elucidate the simultaneous evolutions of the electronic and magnetic subsystems in an intrinsic magnetic topological insulator MnBi 2Te 4. |
Khanh Duy Nguyen ; Woojoo Lee ; Jianchen Deng ; Tongyao Wu ; Gabriele Berruto ; Chenhui Yan ; Chi Ian Ip ; Haoran Lin ; Qiang Gao ; Seng Huat Lee ; Binghai Yan ; Chaoxing Liu ; Zhiqiang Mao ; Xiao-Xiao Zhang ; Shuolong Yang; |
| 911 | Oral: Electric Field-tunable Berry Curvature in WTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our work provides a route to generate and control Berry curvature and BCD in broad material systems, and to facilitate the development of nonlinear quantum devices. |
Xingguo Ye ; Zhi-Min Liao; |
| 912 | Tunneling Spectroscopic Study of The Topological Kondo Insulator YbB12 Using Second Harmonic Measurements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will present planar tunneling spectroscopic data on YbB12 in the low temperature resistance plateau range and compare it to planar tunneling data taken on SmB6 [3]. |
Mohammad Irfan ; Robert Huber ; Laura Greene ; Tyrel McQueen ; Lucas Pressley ; Julia Trowbridge ; William Phelan; |
| 913 | Interband Magneto-Optical Spectroscopy of Pb1-xSnxSe Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: However, it is still not fully understood how differences between the longitudinal valley and the oblique valleys show up in magneto-optical spectroscopy. In this work, we carry out a combined theoretical and experimental work to study this very question. |
Xiaoqi DING ; Jiashu Wang ; Mykhaylo Ozerov ; Muhsin Abdul Karim ; Yi-Ting Hsu ; Badih Assaf ; Xiao Li; |
| 914 | Probing The Surface States of SmB6 Through Planar Tunneling Using Second Harmonic Detection Techniques Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Previous work has shown that these surface states do not span the entire gap region (as they do in conventional TIs such as Bi 2Se 3) [1] and display a sensitivity to Samarium deficiency [2], suggesting their topological protection is incomplete. To better understand the nature of these conducting surface states, we apply second harmonic detection techniques to planar tunnel junctions made on SmB 6 single crystals, providing a higher energy resolution and cleaner spectra than planar tunneling conductance. |
Robert Huber ; Mohammad Irfan ; Bariana Bowman ; Joon Young Park ; Laura Greene ; Wan Kyu Park ; Zachary Fisk; |
| 915 | Tunneling Spectroscopy of DC Current Biased Planar Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report a systematic study of local conductance as a function of DC voltage bias across junction and as a function applied in-plane magnetic field. |
Teng Zhang ; Tatiana de Picoli Ferreira ; Tyler Lindemann ; Jukka Vayrynen ; Michael Manfra; |
| 916 | Effective Hamiltonian Approach for Simulation of AC Josephson Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we study a 2D S-N-S junction in the presence of a periodic time-dependent pairing potential. |
Tatiana de Picoli Ferreira ; Teng Zhang ; Jukka Vayrynen; |
| 917 | Classification of Unitary Operators By Local Generatability Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this paper, we define the notion of equivalence up to a locally generated unitary in all Altland-Zirnbauer symmetry classes. |
Adrian Culver ; Xu Liu ; Fenner Harper ; Rahul Roy; |
| 918 | Orbital Selective Mott Transition and Topological Superconductivity of FeSe1-xTex Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This talk shows that the TPSC and the OSMT in the FST material are intimately connected [4]. |
Minjae Kim ; Gabriel Kotliar ; Sangkook Choi ; Walber Hugo De Brito; |
| 919 | Implementation of Topological Quantum Gates and Algorithms in Magnet-Superconductor Hybrid Structures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will demonstrate the non-equilibrium realization of σ z and σ x quantum gates as well as the Bernstein-Vazirani quantum algorithm by theoretically showing how Majorana zero modes can be manipulated at the nanoscale in real time in magnet-superconductor hybrid (MSH) structures. |
Jasmin Bedow ; Eric Mascot ; Themba Hodge ; Stephan Rachel ; Dirk Morr; |
| 920 | Fusion Channel Dependent Magnetic Moments in Topological Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In order to read out the state of a topological qubit one needs a method to distinguish between these two scenarios. In this talk, I will explore how these two fusion channels should have opposite magnetic moments in a Rashba 2DEG Josephson Junction, and we propose methods to detect this in an experiment with two Josephson vortices. |
Krishnan Ganesh ; Derek Lee ; Jiannis Pachos; |
| 921 | Probing Topological Phase Transition with Non-Hermitian Perturbations Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We demonstrate that non-Hermitian perturbation can probe topological phase transitions and unambiguously detect non-Abelian zero modes. |
Jingcheng Liang ; Chen Fang ; Jiangping Hu; |
| 922 | Band Structures, Optical Selection Rules and Magnetic Dipole Moments of Topological Excitons in Flat-band Chern Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We numerically solve the exciton Wannier equations for two-dimensional flat-band tight-binding models, taking into account the effective long-range Coulomb interaction. |
Hong-Yi Xie ; Bruno Uchoa; |
| 923 | Electrically Configurable Current Flow in Josephson Junctions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work we will demonstrate a universal way to electrically configure the ground state of JJ by varying the bias current within the zero-resistance regime. |
Shaowen Chen ; Seunghyun Park ; Uri Vool ; Nikola Maksimovic ; David Broadway ; Mykhailo Flaks ; Tony Zhou ; Patrick Maletinsky ; Ady Stern ; Bertrand Halperin ; Amir Yacoby; |
| 924 | Anomalous Supercurrent and Quantum Interference in A DNA-assembled Superconducting Lattice Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we demonstrate a facile method to fabricate a three-dimensional network of nanoscale superconducting weak links by coating the DNA self-assembled cubic superlattice with aluminum. |
Mohit Gupta; |
| 925 | Dielectric Function of Tantalum Nitride Formed By Atomic Layer Deposition on 300 Mm Wafers for Josephson Junction Applications Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this research, we describe the dielectric function of atomic layer deposition (ALD) tantalum nitride (TaN) from 0.03 eV to 6.5 eV determined from spectroscopic ellipsometry. |
Aaron Lopez Gonzalez ; Yoshitha Hettige ; Jaden Love ; Stefan Zollner ; Ekta Bhatia ; Tuan Vo ; Satyavolu Papa Rao; |
| 926 | Grain Boundaries Investigations in The Unconventional Superconductor CeCoIn5 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present results on investigations of critical currents across grain boundaries in polycrystalline samples of the HFS CeCoIn 5. |
Sanu Mishra ; Filip Ronning ; Sean Thomas ; Rodney Mccabe ; Eric Bauer ; Shizeng Lin; |
| 927 | The Theory of KTaO3 DC-SQUIDs Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we discuss theoretical modeling of DC-SQUIDs that we fabricated at the LAO/KTO interface via conductive atomic force microscope lithography. |
Nicholas Hougland ; Muqing Yu ; Jeremy Levy ; David Pekker; |
| 928 | The Two Critical Temperatures Conundrum in LSCO: Theoretical Resolution Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Using high precision Monte Carlo, we calculate the in-plane and inter-plane stiffness of anisotropic three-dimensional XY model and show the effect is reproduced in our simulations [2]. |
Abhisek Samanta ; Itay Mangel ; Amit Keren ; Daniel Arovas ; Assa Auerbach; |
| 929 | Modeling and Characterization of Capacitively Coupled Rf SQUID Metamaterials Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The capacitively coupled rf SQUID metamaterial design resembles a superconducting logic circuit where the superconducting wires are closely stacked in the third dimension. The qualitatively different behavior observed and modeled in this study provides insight into the effects of such dense wiring in the superconducting logic circuit. |
Jingnan Cai ; Yilin Li ; Steven Anlage; |
| 930 | Magnetic Anisotropic Dependent Superconductivity in Bilayers of TmIG/NbN Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The results show the superconducting state dependence on the magnetic anisotropy of the TmIG film: remarkably, the superconducting state is intact with a perpendicular field applied to the film plane, whereas it is destroyed for in-plane fields. This fortifies the complex physics of the SC/M interface while contributing towards a better understanding on the proximity magnetic effects on the fundamental properties of SC thin films, which will be discussed in the talk. |
Gilvania Da Silva Vilela ; Luis Vilela-Leão ; Roberto Rodríguez-Suárez ; Yota Takamura ; Alexandre Oliveira ; Yasen Hou ; Jagadeesh Moodera; |
| 931 | Effect of Ferromagnet on Superconductor in NbSe2/Fe5-xGeTe2 Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present transport properties of exfoliated NbSe 2 when contacted with an exfoliated ferromagnet like Fe 5-xGeTe 2 in a heterostructure. |
Alex Moon ; Sang-Eon Lee ; Juan Macy ; Aikaterini Flessa Savvidou ; Luis Balicas; |
| 932 | Shot Noise in Ferromagnet/superconductor Junctions with Spin-orbit Coupling Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This work suggests that incorporating SOC into noise spectroscopy could provide a sensitive experimental tool for probing emergent properties in ferromagnet/superconductor junctions. |
Chenghao Shen ; Cesar Gonzalez-Ruanol ; Thomas Vezin ; Jong Han ; Farkhad Aliev ; Igor Zutic; |
| 933 | Transport Tunneling Spectroscopy of The Interface-induced Superconductivity in Cr-doped Sb2Te3/FeTe Heterostructures Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we study the interplay between superconductivity and ferromagnetism in MBE-grown Cr-doped Sb 2Te 3 (CST)/FeTe thin films combining four-terminal transport and transport tunnelling spectroscopy. |
Cequn Li ; Hemian Yi ; Kenji Watanabe ; Takashi Taniguchi ; Cui-Zu Chang ; Jun Zhu; |
| 934 | Superconductivity from A Melted Insulator in Josephson Junction Arrays Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Arrays of Josephson junctions are governed by a competition between superconductivity and repulsive Coulomb interactions, and are expected to exhibit diverging low-temperature resistance when interactions exceed a critical level. Here we report a study of the transport and microwave response of Josephson arrays with interactions exceeding this level. |
Soham Mukhopadhyay ; Jorden Senior ; Jaime Saez-Mollejo ; Denise Puglia ; Martin Zemlicka ; Johannes Fink ; Andrew Higginbotham; |
| 935 | Proximity-Induced Superconductivity in Gd Layers on Nb: First-Principles Study with On-site Coulomb Repulsion U Term Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate superconducting properties of one of the representative F-S bilayers, Gd films on Nb, by using the first-principles method including the band structures of Nb and Gd in the superconducting state. |
Kyungwha Park ; Andras Deak ; Laszlo Oroszlany ; Balazs Ujfalussy ; Laszlo Szunyogh; |
| 936 | Proximity-Induced Superconductivity in An Antiferromagnetic Mn Layer on Nb: First-Principles Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: For this study, we solve the fully relativistic Bogoliubov-de Gennes equations for the heterostructure within the first-principles calculations based on multiple scattering theory, where all bands of the Nb and Mn are included with spin-orbit coupling. |
Sohair ElMeligy ; Kyungwha Park; |
| 937 | Cuprate Universal Electronic Spin Response and The Pseudogap from NMR Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: It is shown that three independently measured NMR shifts in the cuprates in their whole temperature dependence are linearly related to each other with a doping and family … |
Daniel Bandur; |
| 938 | Random Fields from Quenched Disorder in An Archetype for Correlated Electrons: The Parallel Spin Stripe Phase of La1.6-xNd0.4SrxCuO4 at The 1/8 Anomaly Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Its inhomogeneous nature makes such states susceptible to random fields from quenched magnetic vacancies. We argue this is the case by introducing low concentrations of nonmagnetic Zn impurities (0-10%) into La 1.6-xNd 0.4Sr xCuO 4 (Nd-LSCO) with x = 0.125 in single crystal form, well below the percolation threshold of ~ 41% for two-dimensional square lattice. |
Qiang Chen ; Hsiao-Yuan (Symphony) Huang ; Adam Aczel ; Wei Tian ; Qianli Ma ; Evan Smith ; Hunter Sharron ; Bruce Gaulin; |
| 939 | Microscopic Characterization of Pb10-xCux(PO4)6O By 31P, 63Cu, and 65Cu NMR Measurements Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, 31P, 63Cu, and 65Cu nuclear magnetic resonance (NMR) measurements have been performed on Pb 10-xCu x(PO 4) 6O powder sample. |
Qing-Ping Ding ; Yue Sun ; Qiang Hou ; Wei Wei ; Xin Zhou ; Xinyue Wang ; ZhiXiang Shi ; Yuji Furukawa; |
| 940 | Antiferromagnetic Excitations in Very Underdoped HgBa2CuO4+δ Measured By Neutron Scattering Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report both time-of-flight and triple-axis inelastic neutron scattering measurements of the antiferromagnetic response close to the lower edge of the superconducting dome. |
Samuel Bayliff ; Blake Wendland ; Zachary Anderson ; William Liege ; Dalila Bounoua ; Philippe Bourges ; Yvan Sidis ; Dinesh Shukla ; Martin Greven; |
| 941 | Tuning Triplet Superconductivity States at LSMO/YBCO Interfaces Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this presentation, we will present the transport measurements to elucidate the collective behavior and polarized neutron reflectivity to reveal the interface conditions. |
Hsiung Chou ; S. J. Sun ; Kung-Shang Yang ; G. D. Dwivedi ; Chiu-Hao Chen ; S. L. Cheng ; J. W. Chiou ; Y. Y. Chin ; H. J. Lin ; J. G. Lin ; V. I. Grebennikov; |
| 942 | Nuclear Magnetic Resonance Study in Nb3Sn Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have performed 93Nb NMR on high-quality Nb 3Sn powder in 3.2 T and 7 T magnetic fields, with a temperature range from 1.5 K to 300 K. |
Gan Zhai ; William Halperin ; Arneil Reyes ; Sam Posen ; ZuHawn Sung ; Chiara Tarantini ; Michael Brown ; David Larbalestier; |
| 943 | 51V NMR Spectroscopy on Single Crystal of A15 Superconductor V3Si: New Insights at MilliKelvin Temperatures Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: The A15 superconductor V 3Si, though well-studied for decades, continues to yield insights into its superconducting phase, as made possible by (1) newer methods in NMR … |
Albert Gapud ; Arneil Reyes; |
| 944 | Absence of Bulk Charge Density Wave in Low Temperature X-ray Measurements of UTe2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: UTe 2 has been the subject of extensive study since the discovery of its unconventional, potentially spin-triplet superconductivity. |
Caitlin Kengle ; Wolfgang Simeth ; Jakub Vonka ; Johan Chang ; Sonia Francoual ; Marc Janoschek ; Priscila Rosa ; Dipanjan Chaudhuri ; Thomas Johnson ; Xuefei Guo ; Simon Bettler ; Johnpierre Paglione ; Matthew Krogstad ; Peter Abbamonte; |
| 945 | NMR and NQR Studies in Candidate Triplet Superconductor LaNiGa2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report on the microscopic investigations in the normal and superconducting (SC) states of LaNiGa 2 using nuclear magnetic resonance (NMR) and quadrupole resonance (NQR). |
Phurba Sherpa ; Igor Vinograd ; Cameron Chaffey ; Yunshu Shi ; Jackson Badger ; Myung-Chul Jung ; Peter Klavins ; Adam Dioguardi ; Valentin Taufour ; Michihiro Hirata ; Nicholas Curro; |
| 946 | Quasi-two-dimensional Antiferromagnetic Spin Fluctuations in The Spin-triplet Superconductor Candidate CeRh2As2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In an effort to characterize the superconductivity and the underlying pairing mechanism, we use neutron scattering to probe the antiferromagnetic (AF) spin fluctuations in CeRh 2As 2. |
Tong Chen ; Hasan Siddiquee ; Zackary Rehfuss ; Chris Lygouras ; Jack Drouin ; Shiyuan Gao ; Keenan Avers ; Andrey Podlesnyak ; Yu Song ; Sheng Ran ; Christopher Schmitt ; Collin Broholm; |
| 947 | Superfluid Density Through A Van Hove Singularity: Sr2RuO4 Under Uniaxial Strain Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: To understand how the Van Hove singularity (VHS) impacts the superconductivity, we report on scanning superconducting quantum interference device (SQUID) microscopy measurements of the London penetration depth as the system is strain-tuned through the VHS. |
Eli Mueller ; Yusuke Iguchi ; Fabian Jerzembeck ; Marisa Romanelli ; Jorge Rodriguez ; Clifford Hicks ; Yoshiteru Maeno ; Dmitry Sokolov ; Naoki Kikugawa ; Andrew Mackenzie ; Anastasios Markou ; Vidya Madhavan ; Edgar Abarca-Morales ; Kathryn Moler; |
| 948 | Characterizing Fractional Quantum Hall States Using Isometric Tensor Networks Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Although the ground-state properties of one-dimensional systems may be efficiently distilled using the density matrix renormalization group, now understood in the framework of matrix product states, generalizing this procedure to higher dimensions is problematic, since the exact evaluation of tensor network states becomes exponentially expensive. In this talk, we remedy this by employing isometric tensor networks (isoTNS), a recently-proposed restriction of the projected entangled pair state ansatz. |
Bartholomew Andrews ; Zhehao Dai ; Yantao Wu ; Michael Zaletel; |
| 949 | Many-Body Quantum Geometric Dipole Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Recently this has been shown to result in electric dipole moments associated with neutral, two-body excitations, including excitons [1] and plasmons in two-dimensional [2] and quasi-one-dimensional [3] metals. We demonstrate that these properties can be formulated without reference to two-body wavefunctions. |
Herbert Fertig ; Luis Brey; |
| 950 | Electron Tunneling Into Fractional Quantum Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we show that the addition of a hole to (i.e., removal of an electron from) an FQH liquid at ν = n/(2np+1) can be exactly described in terms of a finite number of composite fermion basis functions, allowing us to predict the qualitative and quantitative features of electron tunneling spectral function. |
Mytraya Gattu ; Sreejith Ganesh Jaya ; Jainendra Jain; |
| 951 | Orbital and Spin Order in Graphene Multilayer Quantum Hall Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We will explain why a correct description of orbital polarization requires the inclusion of exchange interactions with the negative energy sea, and why the filling factor dependence of orbital polarization is sensitive to particle-hole symmetry breaking. |
Bishoy Kousa ; Nemin Wei ; Allan MacDonald; |
| 952 | Candidate Parent Hamiltonian for The 3/7 Fractional Quantum Hall State Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we introduce a local three-body interaction to single out the 3/7 wave function from the zero-mode subspace. |
Koji Kudo ; Anirban Sharma ; G. J. Sreejith ; Jainendra Jain; |
| 953 | A Realistic Hamiltonian for The Bosonic Moore-Read Pfaffian State at Ν =1 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Alternatively, bosonic fractional quantum Hall states have been proposed in a variety of realistic physical systems. Via exact diagonalization, we numerically investigate a two-body model Hamiltonian derived from the three-body Hamiltonian that produces the Moore-Read Pfaffian as its zero-energy ground state for bosons at ν=1 in the spherical geometry (similar to the method used for the fermionic Moore-Read Pfaffian state). |
Carlos Lima ; Michael Peterson ; Vito Scarola; |
| 954 | The Role of Quantum Geometry in Stabilizing Fractional Chern Insulators: Coupled-Wires Approach Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We analyze an anisotropic model of a $left|C ight|=1$ Chern insulator. |
Gal Shavit ; Yuval Oreg; |
| 955 | Quantum Mechanics of Composite Fermions Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present a reformulation of the theory of composite fermions based on Read’s dipole picture. |
Junren Shi; |
| 956 | Universality of Critical Exponents in The Fractional Quantum Hall Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The situation is much more complex when we introduce electron-electron interaction, as is the case of the fractional quantum Hall states (FQHSs). |
Chia-Tse Tai ; Pranav Thekke Madathil ; Kevin Villegas Rosales ; Yoon Jang Chung ; Loren Pfeiffer ; Kirk Baldwin ; Kenneth West ; Mansour Shayegan; |
| 957 | Topological Phases in Twisted Transition Metal Dichalcogenides: A DMRG Study Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We use large-scale density matrix renormalization group (DMRG) simulation to study twisted transition metal dichalcogenides (tTMD) at fractional fillings. |
Chuyi Tuo ; Ming-Rui Li ; Hong Yao; |
| 958 | Time-Reversal Invariant Topological Moiré Flatband: A Platform for The Fractional Quantum Spin Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: By using a continuum model description which can be applied to both germanene and TMD bilayers, we show that at small twist angles, the emergent moiré flatbands can be topologically nontrivial due to inversion symmetry breaking. |
Yi-Ming Wu ; Daniel Shaffer ; Zhengzhi Wu ; Luiz Santos; |
| 959 | Observation of A Bubble Phase of Composite Fermions Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Non-interacting composite fermions can be used to account for the majority of fractional quantum Hall states. However, the residual interactions between composite fermions can … |
Haoyun Huang ; Vidhi Shingla ; Ashwani Kumar ; Loren Pfeiffer ; Kenneth West ; Kirk Baldwin ; Gabor Csathy; |
| 960 | Identifying Fibonacci Anyons with Upstream Noise Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Experimental validation of this assertion poses a major challenge and remains elusive. We present a measurement protocol that could achieve this goal with already-demonstrated experimental techniques. |
Mykhailo Yutushui ; David Mross; |
| 961 | Vortexable Chern Bands and Fractional Chern Insulators in Moire Graphene and Transition Metal Dichalcogenides Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here instead we take a real-space perspective by introducing the notion of vortexability. |
Patrick Ledwith; |
| 962 | Magic-angle Helical Trilayer Graphene Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: I will show how lattice relaxation, topological flat bands, and strong interactions come together to make HTG a uniquely rich platform for realizing strongly correlated topological states and for exploring their phase transitions. |
Trithep Devakul; |
| 963 | Origin of Flat Bands and Topology in Twisted Transition Metal Dichalcogenides Homobilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We explore the chiral limit of massive Dirac field theories applicable to moire materials and uncover the similar origin of flat bands in both twisted bilayer graphene and twisted transition metal dichalcogenides (TMD) homobilayers. |
Raquel Queiroz; |
| 964 | Recent Developments in Fractional Chern Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This presentation provides an overview of recent key developments in the realm of FCIs, synthesizing cutting-edge theoretical advancements and remarkable experimental findings. |
Emil Bergholtz; |
| 965 | Observation of Fractional Quantum Anomalous Hall Effect Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, I will present the experimental observation of high-temperature FQAHE in twisted MoTe 2 bilayer, using combined magneto-optical spectroscopy and transport measurements. |
Jiaqi Cai ; Eric Anderson ; Heonjoon Park ; Yinong Zhang ; Jiayi Zhu ; Xiaoyu Liu ; Chong Wang ; William Holtzmann ; Chaowei Hu ; Zhaoyu Liu ; Takashi Taniguchi ; Kenji Watanabe ; Jiun-Haw Chu ; Ting Cao ; Liang Fu ; Wang Yao ; Cui-Zu Chang ; David Cobden ; Di Xiao ; Xiaodong Xu; |
| 966 | Quantum Oscillations in Small-gap Insulators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Theory has shown that in certain narrow-gap band insulators, quantum oscillations can appear with a frequency set by the area traced out by the minimum gap in momentum space. |
Nigel Cooper; |
| 967 | Weyl-Kondo Semimetal: from Heavy Fermions to Flat Band Systems Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: The interplay between topology and interactions has garnered great interest in the study of quantum matter. |
Lei Chen ; Fang Xie ; Shouvik Sur ; Haoyu Hu ; Chandan Setty ; Mikel García Díez ; Sarah Grefe ; Lukas Fischer ; Xinlin Yan ; Gaku Eguchi ; Andrey Prokofiev ; Maia Vergniory ; Silke Paschen ; Jennifer Cano ; Qimiao Si; |
| 968 | Interplay of Weyl-Kondo Physics and Quantum Criticality in The Kondo Semimetal CeRu4Sn6 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: This makes it a unique platform to investigate the role of quantum critical fluctuations in the formation mechanism of Weyl-Kondo semimetals and is therefore the focus of our experimental investigations. We present magnetotransport and specific heat measurements on CeRu 4Sn 6 under hydrostatic pressure and discuss signatures of Weyl-Kondo physics and how they evolve in the p- B- T phase diagram. |
Diana Kirschbaum ; Diego Zocco ; Federico Mazza ; Julio Larrea J. ; Andre Strydom ; Xinlin Yan ; Andrey Prokofiev ; Silke Buehler-Paschen; |
| 969 | The Dielectric Dipper: Experimental Comparisons of Common Dielectric Substrates in Isolation Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have developed a differential probe of bulk dielectric loss with a sensitivity on the order of 10 -8. |
Alexander Read ; Benjamin Chapman ; Luigi Frunzio ; Robert Schoelkopf; |
| 970 | Extracting Contributions to Qubit Loss from Superconducting Microwave Resonators. Part 1 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present data from devices that involve systematic variation of geometry in order to modify the participation ratios of lossy interfaces and determine the dominant contributors to energy relaxation. |
Shravan Patel ; Elam Blackwell ; Spencer Weeden ; David Harrison ; Francisco Schlenker ; Matthew Snyder ; Gabriel Spahn ; Abigail Shearrow ; JT Paustian ; K Okubo ; B.L.T Plourde ; Robert McDermott; |
| 971 | Extracting Contributions to Qubit Loss from Superconducting Microwave Resonators. Part 2 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we explore the dependence of interface losses on the details of device fabrication process. |
Elam Blackwell ; Shravan Patel ; Spencer Weeden ; David Harrison ; Francisco Schlenker ; Matthew Snyder ; Gabriel Spahn ; Abigail Shearrow ; JT Paustian ; K Okubo ; B.L.T Plourde ; Robert McDermott; |
| 972 | Origin of Bulk Two-level System Loss in Superconducting Circuits on Silicon: Part I Experiment Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present the first microscopic identification of a TLS bath for superconducting circuits based on defects in bulk silicon. |
Zihuai Zhang ; Kadircan Godeneli ; Srujan Meesala ; Alp Sipahigil; |
| 973 | Origin of Bulk Two-level System Loss in Superconducting Circuits on Silicon: Part II Theory Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present the first microscopic identification of a TLS bath for superconducting circuits based on defects in bulk silicon. |
Kadircan Godeneli ; Zihuai Zhang ; Srujan Meesala ; Alp Sipahigil; |
| 974 | Annealing Reduces Silicon Nitride Microwave-frequency Two-level Systems Loss Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We report measurements of the dielectric loss of stoichiometric Si 3N 4 with superconducting circuits, and explain the material’s behavior with the resonant and relaxation components of the two-level systems (TLS) model. |
Kazemi Adachi ; Sarang Mittal ; Alec Emser ; Cyril Metzger ; Nicholas Frattini ; Maxwell Urmey ; Sheng-Xiang Lin ; Luca Talamo ; Sarah Dickson ; David Carlson ; Scott Papp ; Cindy Regal ; Konrad Lehnert; |
| 975 | Probing Defect Densities at The Edges and Inside Josephson Junctions of Superconducting Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we investigate whether defects appear predominantly at the edges or deep within the amorphous tunnel barrier of a junction. |
Alexander Bilmes; |
| 976 | Intermodulation Spectroscopy of The Nonlinear Response Due to Two-level Systems in Superconducting Resonators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present intermodulation spectroscopy results and discuss progress towards reconstructing the TLS-induced nonlinear response using different reconstruction algorithms. |
Gustav Andersson ; Janka Biznárová ; Juan Carlos Rivera Hernández ; Daniel Forchheimer ; Jonas Bylander ; David Haviland; |
| 977 | Towards Individual TLS Detection By Scanning Gate Microscopy Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we will present a novel technique to detect, measure and image individual TLS defects in operational superconducting quantum circuits. |
Riju Banerjee ; Marius Hegedus ; Andrew Hutcheson ; Sebastian Graaf; |
| 978 | Dynamical Disorder of Two-level Defects in Quantum Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk we present new experimental evidence for the existence of two types of TLSs, interacting weakly and strongly with the strain. |
Moshe Schechter; |
| 979 | Spectroscopic Study of Two-Level System Defects in Transmon Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we have investigated TLS defects in planar transmon qubits. |
Christopher Förbom ; Elsa Mannila ; Mikael Kervinen ; Visa Vesterinen ; Jorden Senior ; Debopam Datta ; Patrik Eskelinen ; Joonas Govenius; |
| 980 | More Is Better – High Throughput of Qubit Measurements for Materials Study Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Despite great advances and improvements in the performance of superconducting qubits through changes in device design and geometry, significant improvements in materials remain … |
Ella Lachman ; Eric Bhada ; Mehrnoosh Vahidpour ; Daniel Setiawan ; David Snow ; Brian McVey ; Mike Espitia ; Cameron Kopas ; Josh Mutus; |
| 981 | Low-power Pound-Drever-Hall Measurement of Superconductiong Resonators Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here, we report on progress towards a low power implementation of PDH with direct, independent detection of the carrier and sidebands, for the goal of faster superconductiong resonator measurements. |
John Pitten ; Jim Phillips ; Josh Mutus ; Corey Rae McRae; |
| 982 | Piezoelectrically Coupling A Traveling-Wave Phononic Cavity to A Transmon Qubit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this talk, we describe a circuit quantum acoustodynamics system, consisting of a traveling-wave phononic cavity based on Lithium Niobate on a sapphire substrate coupled with a transmon qubit. |
lintao xiao ; Weiting Wang ; Xinbiao Xu ; Bo Zhang ; Xiaoxuan Pan ; Jiaqi Wang ; Changling Zou ; Luyan Sun; |
| 983 | Exploring Coupling in Molecular Magnet/qubit Bilayers Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we deposit V[TCNE]x on top of a thin film of the molecular spin qubit copper phthalocyanine (CuPc) in order to explore spin-magnon coupling. |
Donley Cormode ; Erin Henkhaus ; Nestor Plascencia ; Emmy Freudenrich ; Zoe Phillips ; Thomas Gredig ; Ezekiel Johnston-Halperin; |
| 984 | Interfacing Gottesman-Kitaev-Preskill Qubits to Quantum Memories Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We propose an interface between quantum memories and GKP qubit states based on a cavity interaction-mediated controlled displacement gate. |
Prajit Dhara ; Liang Jiang ; Saikat Guha; |
| 985 | Electrically Tunable Magnon-photon Coupling Via Spin-orbit Torque Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we present a hybrid magnon-photon device with on-chip superconducting microwave resonators and Y 3Fe 5O 12 (YIG) thin films that has an electrically tunable magnon-photon coupling. |
Jared Gdanski ; Side Guo ; Fengyuan Yang ; Chris Hammel; |
| 986 | A Squeezed Nonlinear Mechanical Oscillator (Part I) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a two-part presentation, we demonstrate the engineered squeezing of a bulk acoustic wave mechanical mode. |
Uwe von Lüpke ; Stefano Marti ; Yu Yang ; Om Joshi ; Andraz Omahen ; Marius Bild ; Yiwen Chu ; Matteo Fadel; |
| 987 | A Squeezed Nonlinear Mechanical Oscillator (Part II) Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In a two-part presentation, we demonstrate the engineered squeezing of a bulk acoustic wave mechanical mode. In this second talk, we investigate the interplay of the strength and detuning of the squeezing operation, together with the mode nonlinearity. |
Stefano Marti ; Uwe von Lüpke ; Yu Yang ; Om Joshi ; Andraz Omahen ; Marius Bild ; Yiwen Chu ; Matteo Fadel; |
| 988 | Integrating Superconducting Qubits with Phononic Devices Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we will present our experimental results developing superconducting qubits on a SiC material platform to realize a hybrid superconducting-phononic device. |
Sueli Skinner Ramos ; Yuanchen Deng ; Brandon Smith ; Michael Miller ; Charles Harris ; Matt Eichenfield ; Lisa Hackett ; Rupert Lewis; |
| 989 | Cryogenic Microwave Source for Qubit Read-out Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present the recent development and experimental results of read-out electronics using a tunnel-diode cryogenic circuit with a tunable generated signal higher than 100 MHz. |
Ivan Grytsenko ; Oleksiy Rybalko ; Yiran Tian ; Asher Jennings ; Rajesh Mohan ; Erika Kawakami; |
| 990 | Coupling GaAs Quantum Devices to Surface Acoustic Wave Phonons Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We present SAW resonators in the GHz frequency range integrated with a 2DEG and study the interactions between SAWs and other structures such as quantum dots and Hall bars, working towards charge- and/or spin-phonon coupling. |
Aldo Tarascio ; Taras Patlatiuk ; Pasquale Scarlino ; Dominik Zumbuhl; |
| 991 | Deterministic Multi-phonon Entanglement Between Two Mechanical Resonators on Separate Chips PART 1 Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this study, we present deterministic entanglement generation and subsequent tomographic analysis for two distinct surface acoustic resonators situated on separate chips, with the usage of two superconducting qubits. |
Ming-Han Chou ; Hong Qiao ; Christopher Conner ; Gustav Andersson ; Joel Grebel ; Yash Joshi ; Jacob Miller ; Rhys Povey ; Xuntao Wu ; Haoxiong Yan ; Andrew Cleland; |
| 992 | PART TWO: Deterministic Multi-phonon Entanglement Between Two Mechanical Resonators on Separate Chips Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Our results open the door for more advanced quantum protocols using mechanical systems with extended lifetimes, including quantum error correction. In the second part of this presentation, we describe the preparation and measurement of multiphonon states entangled between the two physically distinct surface acoustic wave resonators, as well as quantum tomography of these states based on their interactions with the two superconducting qubits. |
Ming-Han Chou ; Christopher Conner ; Hong Qiao ; Gustav Andersson ; Joel Grebel ; Yash Joshi ; Jacob Miller ; Rhys Povey ; Xuntao Wu ; Haoxiong Yan ; Andrew Cleland; |
| 993 | Planarized Vacuum-gap Capacitors for Improved Quantum Optomechanics Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: Here we report on the progress toward an alternative planarized fabrication process that combines the benefits of the traditional methods with the advantages of planarization. |
Kristen Genter ; Bradley Hauer ; Florent Lecocq ; Akash Dixit ; Raymond Simmonds ; José Aumentado ; John Teufel ; Katarina Cicak; |
| 994 | Quasiparticle Dynamics in Superconducting Microwave Coplanar Waveguide Resonator Arrays at Single Photon Regime Related Papers Related Patents Related Grants Related Venues Related Experts View Abstract: Niobium nitride (NbN) based circuits have recently gained much attention in quantum science and technology due to their high critical temperature and relatively high critical … |
Paniz Foshat ; Shima Poorgholam-khanjari ; Valentino Seferai ; Hua Feng ; Susan Johny ; Oleg Mukhanov ; Matthew Hutchings ; Muhammad Imran ; Robert Hadfield ; Martin Weides ; Kaveh Delfanazari; |
| 995 | Development of High-quality Factor Thin Tantalum Superconducting Microwave Coplanar Waveguide Resonators for Coherent Quantum Circuits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We designed, calculated, simulated, fabricated and measured thin film (40 nm) arrays of α-Ta coplanar waveguide (CPW) microwave resonators with a niobium (Nb) seed layer on the unheated high resistivity silicon (Si) substrate. |
Shima Poorgholam-khanjari ; Valentino Seferai ; Paniz Foshat ; Robert Hadfield ; Martin Weides ; Kaveh Delfanazari; |
| 996 | Exploring Fluxon Tunneling Dynamics in The IST Qubit Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In the IST qubit limit [1], this suppression of fluxon transitions can lead to remarkable relaxation times measured to be on the order of several hours. In this work, we delve into the dynamics of fluxon tunneling and initialization studied in such an IST qubit. |
Lucky Kapoor ; Farid Hassani Bijarbooneh ; Alesya Sokolova ; Igor Rozhansky ; Alexander Poddubny ; Johannes Fink; |
| 997 | SFQ-based Asynchronous Persistent-current Biasing Grid for Tunable-coupler QPU Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In this work, we present a single-flux quantum circuit that allows row and column addressing of persistent current cells. |
Ugur Yilmaz ; Pasi Lähteenmäki ; Aleksei Sharafiev ; Olli-Pentti Saira; |
| 998 | Magnetic Field Dependence of A Josephson Travelling Wave Parametric Amplifier Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We investigate the magnetic field dependence of a photonic-crystal Josephson travelling-wave parametric amplifier (TWPA). |
Lucas Janssen ; Christian Dickel ; Guilliam Butseraen ; Jonas Krause ; Alexis Coissard ; Luca Planat ; Gianluigi Catelani ; Nicolas Roch ; Yoichi Ando; |
| 999 | Deposition and Characterization of Tantalum Thin Films on Different Seed Layers Towards Their Application in Superconducting Qubits Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: We have investigated ~200 nm thick Ta films, which were sputter-deposited on high resistivity silicon (100) substrates at different temperatures, ranging from T=300–900K, and on different seed layers (Al, AlN, Ti, TiN and TaN) with few nanometres thickness in-between Si and Ta. We have characterized these thin films in terms of surface roughness, residual-resistance ratio (RRR), crystal phase composition and superconducting transition temperature. |
Moritz Singer ; Benedikt Schoof ; Harsh Gupta ; Rui Pereira ; Daniela Zahn ; Johannes Weber ; Daniil Bazulin ; Leon Koch ; Stefan Filipp ; Marc Tornow; |
| 1000 | Impedance-matched CPW High Kinetic Inductance Parametric Amplifier Related Papers Related Patents Related Grants Related Venues Related Experts View Highlight: In our work, we have successfully designed and fabricated a series of high KI parametric amplifiers with KI values ranging from 50pH/square to 100pH/square. |
Cong Fu ; Hua Cong ; Valentino Seferai ; Jharna Paul ; Paul Reynolds ; Martin Weides; |