output
20202026
most citedDiscovery of a metallic room-temperature d-wave altermagnet KV2Se2O

224 citations

Showing 2024Show all

62 papers · 1 filter

cond-mat.mtrl-sci2024★ 2 cited

Entropy-driven electron density and effective model Hamiltonian for boron systems

Chang-Chun He, Shao-Gang Xu, Yu-Jun Zhao +2

The unique electron deficiency of boron makes it challenging to determine the stable structures, leading to a wide variety of forms. In this work, we introduce a statistical model…

cond-mat.supr-con2024★ 170 cited

Ambient-pressure superconductivity onset above 40 K in bilayer nickelate ultrathin films

Guangdi Zhou, Wei Lv, Heng Wang +8

The discovery of bilayer nickelate superconductors under high pressure has opened a new chapter in high-transition temperature (high-TC) superconductivity. Here, we report ambient-…

cond-mat.mes-hall2024★ 29 cited

Electrical switching of altermagnetism

Yiyuan Chen, Xiaoxiong Liu, Hai-Zhou Lu +1

Switching magnetism using only electricity is of great significance for industrial applications but remains challenging. We find that, altermagnetism, as a newly discovered unconve…

cond-mat.mes-hall2024★ 44 cited

Coulomb Drag in Altermagnets

Hao-Jie Lin, Song-Bo Zhang, Hai-Zhou Lu +1

An altermagnet is a newly discovered antiferromagnet, characterized by unique anisotropic spin-split energy bands. It has attracted tremendous interest, because of its promising po…

quant-ph2024

Optimizing Quantum Transformation Matrices: A Block Decomposition Approach for Efficient Gate Reduction

Lai Kin Man, Xin Wang

This paper introduces an algorithm designed to approximate quantum transformation matrix with a restricted number of gates by using the block decomposition technique. Addressing ch…

cond-mat.stat-mech2024★ 3 cited

Low-temperature series expansion of square lattice Ising model: A study based on Fisher zeros

De-Zhang Li, Xin Wang, Xiao-Bao Yang

Low-temperature expansion of Ising model has long been a topic of significant interest in condensed matter and statistical physics. In this paper we present new results of the coef…

cond-mat.mes-hall2024★ 2 cited

Quantum oscillation in Hopf-link semimetals

Lei Shi, Xiaoxiong Liu, C. M. Wang +3

Since the discovery of the relation between the Chern number and quantum Hall effect, searching for observables of topological invariants has been an intriguing topic. Topological…

cond-mat.supr-con2024★ 11 cited

Spin-density wave and superconductivity in LaNiO under ambient pressure

Ming Zhang, Hongyi Sun, Yu-Bo Liu +3

We investigate the spin-density wave (SDW) behavior and the potential for superconductivity (SC) in LaNiO under ambient pressure using a multi-orbital random-phase a…

quant-ph2024★ 3 cited

Credible-interval-based adaptive Bayesian quantum frequency estimation for entanglement-enhanced atomic clocks

Jungeng Zhou, Jiahao Huang, Jinye Wei +2

Entanglement-enhanced quantum sensors encounter a fundamental trade-off: while entanglement improves precision to the Heisenberg limit, it restricts dynamic range. To address this…

cond-mat.mtrl-sci2024★ 179 cited

Ferroelectric switchable altermagnetism

Mingqiang Gu, Yuntian Liu, Haiyuan Zhu +5

We propose a novel ferroelectric switchable altermagnetism effect, the reversal of ferroelectric polarization is coupled to the switching of altermagnetic spin splitting. We demons…

quant-ph2024★ 12 cited

Quantum adiabatic optimization with Rydberg arrays: localization phenomena and encoding strategies

Lisa Bombieri, Zhongda Zeng, Roberto Tricarico +5

Quantum adiabatic optimization seeks to solve combinatorial problems using quantum dynamics, requiring the Hamiltonian of the system to align with the problem of interest. However,…

quant-ph2024★ 14 cited

High-precision pulse calibration of tunable couplers for high-fidelity two-qubit gates in superconducting quantum processors

Tian-Ming Li, Jia-Chi Zhang, Bing-Jie Chen +23

For superconducting quantum processors, stable high-fidelity two-qubit operations depend on precise flux control of the tunable coupler. However, the pulse distortion poses a signi…

cond-mat.mtrl-sci2024★ 12 cited

Large Enhancement of Properties in Strained Lead-free Multiferroic Solid Solutions with Strong Deviation from Vegard's Law

Tao Wang, Mingjie Zou, Dehe Zhang +18

Efforts to combine the advantages of multiple systems to enhance functionlities through solid solution design present a great challenge due to the constraint imposed by the classic…

cond-mat.mtrl-sci2024★ 3 cited

Unraveling structural, electronic, and magnetic ambiguities in Pb1-δCrO3 with an insulating charge-transfer band structure

Jian Chen, Guozhu Song, Han Ge +4

As a recently-identified Mott system, PbCrO3 remains largely unexplored, especially for its band structure, leading to many contentious issues on its structural, electronic, and ma…

quant-ph2024★ 10 cited

Self-Consistent Determination of Single-Impurity Anderson Model Using Hybrid Quantum-Classical Approach on a Spin Quantum Simulator

Xinfang Nie, Xuanran Zhu, Yu-ang Fan +9

The accurate determination of the electronic structure of strongly correlated materials using first principle methods is of paramount importance in condensed matter physics, comput…

quant-ph2024★ 13 cited

Experimental Realization of Self-Contained Quantum Refrigeration

Keyi Huang, Cheng Xi, Xinyue Long +7

A fundamental challenge in quantum thermodynamics is the exploration of inherent dimensional constraints in thermodynamic machines. In the context of two-level systems, the most co…

cond-mat.mtrl-sci2024★ 9 cited

Perspective: imaging atomic step geometry to determine surface terminations of kagome materials and beyond

Guowei Liu, Tianyu Yang, Yu-Xiao Jiang +4

Here we review scanning tunneling microscopy research on the surface determination for various types of kagome materials, including 11-type (CoSn, FeSn, FeGe), 32-type (Fe3Sn2), 13…

quant-ph2024

Maximal device-independent randomness in every dimension

Máté Farkas, Jurij Volčič, Sigurd A. L. Storgaard +2

Random numbers are used in a wide range of sciences. In many applications, generating unpredictable private random numbers is indispensable. Device-independent quantum random numbe…

physics.app-ph2024★ 1 cited

Microwave interference from a spin ensemble and its mirror image in waveguide magnonics

B. -Y. Wu, Y. -T. Cheng, K. -T. Lin +10

We investigate microwave interference from a spin ensemble and its mirror image in a one-dimensional waveguide. Away from the mirror, the resonance frequencies of the Kittel mode (…

quant-ph2024★ 9 cited

Certifying Quantum Temporal Correlation via Randomized Measurements: Theory and Experiment

Hongfeng Liu, Zhenhuan Liu, Shu Chen +3

We consider the certification of temporal quantum correlations using the pseudo-density matrix (PDM), an extension of the density matrix to the time domain, where negative eigenval…

quant-ph2024★ 1 cited

Efficient Large-Scale Quantum Optimization via Counterdiabatic Ansatz

Jie Liu, Xin Wang

Quantum Approximate Optimization Algorithm (QAOA) is one of the fundamental variational quantum algorithms, while a version of QAOA that includes counterdiabatic driving, termed Di…

quant-ph2024★ 4 cited

Quantum Metrology via Floquet-Engineered Two-axis Twisting and Turn Dynamics

Jihao Ma, Yi Shen, Jiahao Huang +1

One core of quantum metrology is the utilization of entanglement to enhance measurement precision beyond the standard quantum limit. Here, we utilize the Floquet-engineered two-axi…

cond-mat.mes-hall2024

Nernst Plateau in the Quantum Limit of Low-Carrier-Density Topological Insulators

Peng-Lu Zhao, J. L. Zhang, Hai-Zhou Lu +1

Nernst effect, a transverse electric current induced by a temperature gradient, is a promising tool for revealing emergent phases of condensed matter. We find a Nernst coefficient…

quant-ph2024★ 1 cited

Recovering optimal precision in quantum sensing with time domain imperfections

Zi-Shen Li, Xinyue Long, Xiaodong Yang +2

Quantum control plays a crucial role in enhancing precision scaling for quantum sensing. However, most existing protocols require perfect control, even though real-world devices in…