213 citations · 1.4k across the 38 of their papers we have counts for
38 papers
Orbital Chern Insulator at in Twisted MoTe
Feng-Ren Fan, Cong Xiao, Wang Yao
In twisted MoTe, latest transport measurement has reported observation of quantum anomalous Hall effect at hole filling , which undergoes a topological phase transition…
Nonlinear current response of two-dimensional systems under in-plane magnetic field
Yue-Xin Huang, Yang Wang, Hui Wang +3
We theoretically investigate the nonlinear response current of a two-dimensional system under an in-plane magnetic field. Based on the extended semiclassical theory, we develop a u…
Crossed Nonlinear Dynamical Hall Effect in Twisted Bilayers
Cong Chen, Dawei Zhai, Cong Xiao +1
We propose a novel nonlinear dynamical Hall effect characteristic of layered materials with chiral symmetry, which is driven by the joint action of in-plane and time variation of o…
Orbital Origin of Intrinsic Planar Hall Effect
Hui Wang, Yue-Xin Huang, Huiying Liu +5
Recent experiments reported an antisymmetric planar Hall effect, where the Hall current is odd in the in-plane magnetic field and scales linearly with both electric and magnetic fi…
Time-Reversal-Even Nonlinear Current Induced Spin Polarization
Cong Xiao, Weikang Wu, Hui Wang +6
We propose a time-reversal-even spin generation in second order of electric fields, which dominates the current induced spin polarization in a wide class of centrosymmetric nonmagn…
Third-order charge transport in a magnetic topological semimetal
Ziming Zhu, Huiying Liu, Yongheng Ge +4
Magnetic topological materials and their physical signatures are a focus of current research. Here, by first-principles calculations and symmetry analysis, we reveal topological se…
Intrinsic Nonlinear Planar Hall Effect
Yue-Xin Huang, Xiaolong Feng, Hui Wang +2
We propose an intrinsic nonlinear planar Hall effect, which is of band geometric origin, independent of scattering, and scales with the second order of electric field and first ord…
Time-Reversal Even Charge Hall Effect from Twisted Interface Coupling
Dawei Zhai, Cong Chen, Cong Xiao +1
Under time-reversal symmetry, a linear charge Hall response is usually deemed to be forbidden by the Onsager relation. In this work, we discover a scenario for realizing a time-rev…
Observation of nonlinear planar Hall effect in magnetic insulator/topological insulator heterostructures
Yang Wang, Sivakumar V. Mambakkam, Yue-Xin Huang +6
Interfacing topological insulators (TIs) with magnetic insulators (MIs) has been widely used to study the interaction between topological surface states and magnetism. Previous tra…
Intrinsic Nonlinear Spin Magnetoelectricity in Centrosymmetric Magnets
Cong Xiao, Huiying Liu, Weikang Wu +3
We propose an intrinsic nonlinear spin magnetoelectric effect in magnetic materials, offering the potential of all-electric control of spin degree of freedom in centrosymmetric mag…
Intrinsic Second-Order Anomalous Hall Effect and Its Application in Compensated Antiferromagnets
Huiying Liu, Jianzhou Zhao, Yue-Xin Huang +4
Response properties that are purely intrinsic to physical systems are of paramount importance in physics research, as they probe fundamental properties of band structures and allow…
Berry connection polarizability tensor and third-order Hall effect
Huiying Liu, Jianzhou Zhao, Yue-Xin Huang +6
One big achievement in modern condensed matter physics is the recognition of the importance of various band geometric quantities in physical effects. As prominent examples, Berry c…
Giant -axis nonlinear anomalous Hall effect in T-MoTe and WTe
Archana Tiwari, Fangchu Chen, Shazhou Zhong +11
While the anomalous Hall effect can manifest even without an external magnetic field, time reversal symmetry is nonetheless still broken by the internal magnetization of the sample…
Phonon Magnetic Moment from Electronic Topological Magnetization
Yafei Ren, Cong Xiao, Daniyar Saparov +1
The traditional theory of magnetic moments for chiral phonons is based on the picture of the circular motion of the Born effective charge, typically yielding a small fractional val…
Adiabatically Induced Orbital Magnetization
Cong Xiao, Yafei Ren, Bangguo Xiong
A semiclassical theory for the orbital magnetization due to adiabatic evolutions of Bloch electronic states is proposed. It renders a unified theory for the periodic-evolution pump…
Topological electric driving of magnetization dynamics in insulators
Cong Xiao, Bangguo Xiong, Qian Niu
Established forms of electromagnetic coupling are usually conservative (in insulators) or dissipative (in metals and semiconductors). Here we point out the possibility of nondissip…
Berry curvature effects on quasiparticle dynamics in superconductors
Zhi Wang, Liang Dong, Cong Xiao +1
We construct a theory for the semiclassical dynamics of superconducting quasiparticles by following their wave-packet motion and reveal rich contents of Berry curvature effects in…
Conserved current of nonconserved quantities
Cong Xiao, Qian Niu
We provide a unified semiclassical theory for the conserved current of nonconserved quantities, and manifest it in two physical contexts: the spin current of Bloch electrons and th…
Quantized Circulation of Anomalous Shift in Interface Reflection
Ying Liu, Zhi-Ming Yu, Cong Xiao +1
A particle beam may undergo an anomalous spatial shift when it is reflected at an interface. The shift forms a vector field defined in the two-dimensional interface momentum space.…
Unified bulk semiclassical theory for intrinsic thermal transport and magnetization currents
Cong Xiao, Qian Niu
We reveal the unexpected role of the material inhomogeneity in unifying the formulation of intrinsic thermal and thermoelectric transport as well as magnetization currents. The smo…
Thermoelectric Generation of Orbital Magnetization in Metals
Cong Xiao, Huiying Liu, Jianzhou Zhao +2
We propose an orbital magnetothermal effect wherein a temperature gradient generates an orbital magnetization (OM) for Bloch electrons, and we present a unified theory for electric…
Spin-orbit related power-law dependence of the diffusive conductivity on the carrier density in disordered Rashba two-dimensional electron systems
Weiwei Chen, Cong Xiao, Qinwei Shi +1
By using the momentum-space Lanczos recursive method which considers rigorously all multiple-scattering events, we unveil that the non-perturbative disorder effect has dramatic imp…
Valley-Contrasting Orbital Magnetic Moment Induced Negative Magnetoresistance
Hailong Zhou, Cong Xiao, Qian Niu
The valley-contrasting orbital magnetic moment of Bloch electrons allows the lifting of valley degeneracy by an out-of-plane magnetic field. We demonstrate that this leads to negat…
Theory of nonlinear Hall effects: renewed semiclassics from quantum kinetics
Cong Xiao, Z. Z. Du, Qian Niu
We propose a modified Boltzmann nonlinear electric-transport framework which differs from the nonlinear generalization of the linear Boltzmann formalism by a contribution that has…