Layer Hall effect induced by hidden Berry curvature in antiferromagnetic insulators

R Chen, HP Sun, M Gu, CB Hua, Q Liu… - National Science …, 2024 - academic.oup.com
The layer Hall effect describes electrons spontaneously deflected to opposite sides at
different layers, which has been experimentally reported in the MnBi2Te4 thinfilms under …

Quantum anomalous layer Hall effect in the topological magnet

WB Dai, H Li, DH Xu, CZ Chen, XC Xie - Physical Review B, 2022 - APS
Recently, a type of Hall effect due to an unusual layer-locked Berry curvature called the layer
Hall effect (LHE) has been reported in the even-layered two-dimensional antiferromagnetic …

Correlation between magnetic domain structures and quantum anomalous Hall effect in epitaxial thin films

Y Shi, Y Bai, Y Li, Y Feng, Q Li, H Zhang, Y Chen… - Physical Review …, 2024 - APS
We use magnetic force microscopy to study spatial uniformity of magnetization of epitaxially
grown Mn Bi 2 Te 4 thin films. Compared to films which exhibit no quantum anomalous Hall …

Field-effect Josephson diode via asymmetric spin-momentum locking states

PH Fu, Y Xu, SA Yang, CH Lee, YS Ang, JF Liu - Physical Review Applied, 2024 - APS
Recent breakthroughs in Josephson diodes dangle the possibility of extending conventional
nonreciprocal electronics into the realm of superconductivity. While a strong magnetic field is …

Quantum Fisher information and polaron picture for the identification of transition coupling in the quantum Rabi model

ZJ Ying, WL Wang, BJ Li - Physical Review A, 2024 - APS
The quantum Rabi model (QRM) is a fundamental model for light-matter interactions. A
fascinating feature of the QRM is that it manifests a quantum phase transition which is …

Scaling Relations and Topological Quadruple Points in Light‐Matter Interactions with Anisotropy and Nonlinear Stark Coupling

ZJ Ying - Advanced Quantum Technologies, 2023 - Wiley Online Library
Universality is a common quality in different physical parameters that is rooted in the deep
nature of physical systems. Scaling relation is a typical universality for critical phenomena …

Robust Topological Feature against Non‐Hermiticity in Jaynes–Cummings Model

ZJ Ying - Advanced Quantum Technologies, 2024 - Wiley Online Library
Abstract The Jaynes–Cummings Model (JCM) is a fundamental model and building block for
light‐matter interactions, quantum information and quantum computation. The present work …

Nodes and Spin Windings for Topological Transitions in Light–Matter Interactions

ZJ Ying - Advanced Quantum Technologies, 2023 - Wiley Online Library
The anisotropic quantum Rabi model (QRM) is the fundamental model of light–matter
interactions with indispensable counter‐rotating terms in ultra‐strong couplings. By …

Universal Quantum Fisher Information and Simultaneous Occurrence of Landau‐Class and Topological‐Class Transitions in Non‐Hermitian Jaynes‐Cummings …

ZJ Ying - Advanced Quantum Technologies, 2024 - Wiley Online Library
Light‐matter interactions provide an ideal testground for interplay of critical phenomena,
topological transitions, quantum metrology, and non‐Hermitian physics with high …

Spin winding and topological nature of transitions in the Jaynes-Cummings model with Stark nonlinear coupling

ZJ Ying - Physical Review A, 2024 - APS
Besides exploring novel transition patterns, acquiring a full understanding of the transition
nature is an ultimate pursuit in studies of phase transitions. The fundamental models of light …