174 citations · 838 across the 25 of their papers we have counts for
25 papers
Ab Initio Theory of Phonon Magnetic Moment Induced by Electron-Phonon Coupling in Magnetic Materials
Fuyi Wang, Xinqi Liu, Hong Sun +5
Circularly polarized phonons, characterized by nonzero angular momenta and magnetic moments, have attracted extensive attention. However, a long-standing critical issue in this fie…
Electrically tunable high-Chern-number quasiflat bands in twisted antiferromagnetic topological insulators
Huaiqiang Wang, Yiliang Fan, Haijun Zhang
Isolated flat bands with significantly quenched kinetic energy of electrons could give rise to exotic strongly correlated states from electron-electron interactions. More intriguin…
Symmetry-driven anisotropic coupling effect in antiferromagnetic topological insulator: Mechanism for high-Chern-number quantum anomalous Hall state
Yiliang Fan, Huaiqiang Wang, Peizhe Tang +4
Antiferromagnetic (AFM) topological insulators (TIs), which host magnetically gapped Dirac-cone surface states and exhibit many exotic physical phenomena, have attracted great atte…
A Dirac-fermion approach and its application to design high Chern numbers in magnetic topological insulator multilayers
Dinghui Wang, Huaiqiang Wang, Haijun Zhang
Quantum anomalous Hall (QAH) insulators host topologically protected dissipationless chiral edge states, the number of which is determined by its Chern number. Up to now, the QAH s…
Floquet engineering of magnetic topological insulator MnBiTe films
Tongshuai Zhu, Huaiqiang Wang, Haijun Zhang
Floquet engineering is an important way to manipulate the electronic states of condensed matter physics. Recently, the discovery of the magnetic topological insulator MnBiTe$_4…
Multiple topological nodal structure in LaSb2 with large linear magnetoresistance
Y. X. Qiao, Z. C. Tao, F. Y. Wang +16
Unconventional fermions in the immensely studied topological semimetals are the source for rich exotic topological properties. Here, using symmetry analysis and first-principles ca…
Nonparaxiality-triggered Landau-Zener transition in topological photonic waveguides
An Xie, Shaodong Zhou, Kelei Xi +6
Photonic lattices have been widely used for simulating quantum physics, owing to the similar evolutions of paraxial waves and quantum particles. However, nonparaxial wave propagati…
Three-Dirac-fermion approach to unexpected universal gapless surface states of van der Waals magnetic topological insulators
Dinghui Wang, Huaiqiang Wang, Dingyu Xing +1
Layered van der Waals (vdW) topological materials, especially the recently discovered MnBiTe-family magnetic topological insulators (TIs), have aroused great attention. How…
Axionic surface wave in dynamical axion insulators
Tongshuai Zhu, Huaiqiang Wang, Dingyu Xing +1
The electromagnetic response of three-dimensional topological insulators can be described by an effective axion action with a quantized axion field. Once both time-reversal and inv…
Asymmetric topological pumping in nonparaxial photonics
Qingqing Cheng, Huaiqiang Wang, Yongguan Ke +5
Topological photonics was initially inspired by the quantum-optical analogy between the Schrödinger equation for an electron wavefunction and the paraxial equation for a light beam…
Nonlinear Hall Effect in Antiferromagnetic Half-Heusler Materials
Cheng Chen, Huaiqiang Wang, Zhilong Yang +1
It has recently been demonstrated that various topological states, including Dirac, Weyl, nodal-line, and triple-point semimetal phases, can emerge in antiferromagnetic (AFM) half-…
Nonlinear level attraction of cavity axion polariton in antiferromagnetic topological insulator
Yang Xiao, Huaiqiang Wang, Dinghui Wang +7
Strong coupling between cavity photons and various excitations in condensed matters boosts the field of light-matter interaction and generates several exciting sub-fields, such as…
Tunable dynamical magnetoelectric effect in antiferromagnetic topological insulator MnBiTe films
Tongshuai Zhu, Huaiqiang Wang, Haijun Zhang +1
More than forty years ago, axion was postulated as an elementary particle with a low mass and weak interaction in particle physics to solve the strong (charge conjug…
Dynamical axion state with hidden pseudospin Chern numbers in MnBiTe-based heterostructures
Huaiqiang Wang, Dinghui Wang, Zhilong Yang +5
Axion is a hypothetical elementary particle which was initially postulated to solve the charge conjugation-parity problem in particle physics. Interestingly, the axion state has em…
Experimental observation of the gate-controlled reversal of the anomalous Hall effect in the intrinsic magnetic topological insulator MnBi2Te4 device
Shuai Zhang, Rui Wang, Xuepeng Wang +17
Here we report the reserved anomalous Hall effect (AHE) in the 5-septuple-layer van der Waals device of the intrinsic magnetic topological insulator MnBi2Te4. By employing the top/…
Beyond Adiabatic Elimination in Topological Floquet Engineering
Yiming Pan, Ye Yu, Huaiqiang Wang +3
In quantum mechanics, adiabatic elimination is a standard tool that produces a low-lying reduced Hamiltonian for a relevant subspace of states, incorporating effects of its couplin…
Non-Hermitian nodal-line semimetals with an anomalous bulk-boundary correspondence
Huaiqiang Wang, Jiawei Ruan, Haijun Zhang
Recently, topological quantum states of non-Hermitian systems, exhibiting rich new exotic states, have attracted great attention in condensed-matter physics. As for the demonstrati…
Observation of anomalous π modes in photonic Floquet engineering
Qingqing Cheng, Yiming Pan, Huaiqiang Wang +7
Recent progresses on Floquet topological phases have shed new light on time-dependant quantum systems, among which one-dimensional (1D) Floquet systems have been under extensive th…
Engineering topological phases in the Luttinger semimetal -Sn
Dongqin Zhang, Huaiqiang Wang, Jiawei Ruan +2
-Sn is well known as a typical Luttinger semimetal with a quadratic band touching at the point. Based on the effective analysis as well as first-principles calcul…
Topological Phase Transition-Induced Tri-Axial Vector Magnetoresistance in (Bi1-xInx)2Se3 Nanodevices
Minhao Zhang, Huaiqiang Wang, Kejun Mu +18
We report the study of a tri-axial vector magnetoresistance (MR) in nonmagnetic (Bi1-xInx)2Se3 nanodevices at the composition of x = 0.08. We show a dumbbell-shaped in-plane negati…
Observation of Coulomb gap in the quantum spin Hall candidate single-layer 1T'-WTe
Ye-Heng Song, Zhen-Yu Jia, Dongqin Zhang +8
The two-dimensional topological insulators (2DTI) host a full gap in the bulk band, induced by spin-orbit coupling (SOC) effect, together with the topologically protected gapless e…
Line nodes and surface Majorana flat bands in static and kicked p-wave superconducting Harper model
Huaiqiang Wang, Mengnan Chen, Raditya Weda Bomantara +2
We investigate the effect of introducing nearest-neighbor -wave superconducting pairing to both the static and kicked extended Harper model with two periodic phase parameters ac…
Dynamics of Weyl quasiparticles emerged in an optical lattice
Zhi Li, Huai-Qiang Wang, Dan-Wei Zhang +2
We investigate the dynamics of the Weyl quasiparticles emerged in an optical lattice where the topological Weyl semimental and trivial band insulator phases can be adjusted with th…
The large unsaturated magnetoresistance of Weyl semimetals
Yiming Pan, Huaiqiang Wang, Pengchao Lu +3
The Weyl semimetal (WSM) is a novel topological gapless state with promises exotic transport due to chiral anomaly. Recently, a family of nonmagnetic WSM candidates including TaAs,…