974 citations · 7.6k across the 50 of their papers we have counts for
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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-…
Experimental evidence on the dissipationless transport of chiral edge state of the high-field Chern insulator in MnBi2Te4 nanodevices
Zhe Ying, Shuai Zhang, Bo Chen +6
We demonstrate the dissipationless transport of the chiral edge state (CES) in the nanodevices of quantum anomalous Hall insulator candidate MnBi2Te4. The device presents a near-ze…
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…
Interface-Induced Sign Reversal of the Anomalous Hall Effect in Magnetic Topological Insulator Heterostructures
Fei Wang, Xuepeng Wang, Yi-Fan Zhao +10
The Berry phase picture provides important insights into the electronic properties of condensed matter systems. The intrinsic anomalous Hall (AH) effect can be understood as a cons…
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…
Large dynamical axion field in topological antiferromagnetic insulator MnBiTe
Jinlong Zhang, Dinghui Wang, Minji Shi +3
The dynamical axion field is a new state of quantum matter where the magnetoelectric response couples strongly to its low-energy magnetic fluctuations. It is fundamentally differen…
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/…
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…
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…
Experimental observation of topological Fermi arcs in type-II Weyl semimetal MoTe2
Ke Deng, Guoliang Wan, Peng Deng +17
Weyl semimetal is a new quantum state of matter [1-12] hosting the condensed matter physics counterpart of relativisticWeyl fermion [13] originally introduced in high energy physic…
Ideal Weyl semimetals in the chalcopyrites CuTlSe2, AgTlTe2, AuTlTe2 and ZnPbAs2
Jiawei Ruan, Shao-Kai Jian, Dongqin Zhang +4
Weyl semimetals are new states of matter which feature novel Fermi arcs and exotic transport phenomena. Based on first-principles calculations, we report that the chalcopyrites CuT…
Symmetry-protected ideal Weyl semimetal in HgTe-class materials
Jiawei Ruan, Shao-Kai Jian, Hong Yao +3
Ideal Weyl semimetals with all Weyl nodes exactly at the Fermi level and no coexisting trivial Fermi surfaces in the bulk, similar to graphene, could feature deep physics such as e…
Classification of stable Dirac and Weyl semimetals with reflection and rotational symmetry
Zihao Gao, Meng Hua, Haijun Zhang +1
Three dimensional (3D) Dirac semimetal is a novel state of quantum matter, characterized by the gapless bulk four-fold degeneracy near Fermi energy. Soon after its discovery, the c…
Generation and Electric Control of Spin-Coupled Valley Current in WSe2
Hongtao Yuan, Xinqiang Wang, Biao Lian +8
The valley degree of freedom in layered transition-metal dichalcogenides (MX2) provides the opportunity to extend functionalities of novel spintronics and valleytronics devices. Du…
Quantum Spin Hall and Quantum Anomalous Hall States Realized in Junction Quantum Wells
Haijun Zhang, Yong Xu, Jing Wang +1
Both quantum spin Hall and quantum anomalous Hall states are novel states of quantum matter with promising applications. We propose junction quantum wells comprising II-VI, III-V o…
Topological States in Ferromagnetic CdO/EuO Superlattices and Quantum Wells
Haijun Zhang, Jing Wang, Gang Xu +2
Based on ab initio calculations, we demonstrate that the ferromagnetic CdO/EuO superlattice is a simple Weyl semimetal with two linear Weyl nodes in the Brillouin zone, and the cor…
Anomalous Edge Transport in the Quantum Anomalous Hall State
Jing Wang, Biao Lian, Haijun Zhang +1
We predict by first-principles calculations that thin films of Cr-doped (Bi,Sb)Te magnetic topological insulator have gapless non-chiral edge states coexisting with the chi…
Quantum Anomalous Hall Effect with Higher Plateaus
Jing Wang, Biao Lian, Haijun Zhang +2
Quantum anomalous Hall (QAH) effect in magnetic topological insulators is driven by the combination of spontaneous magnetic moments and spin-orbit coupling. Its recent experimental…
Spin-orbital Texture in Topological Insulators
Haijun Zhang, Chao-Xing Liu, Shou-Cheng Zhang
Relativistic spin-orbit coupling plays an essential role in the field of topological insulators and quantum spintronics. It gives rise to the topological non-trivial band structure…
Topological insulators from the Perspective of first-principles calculations
Haijun Zhang, Shou-Cheng Zhang
Topological insulators are new quantum states with helical gapless edge or surface states inside the bulk band gap.These topological surface states are robust against the weak time…
Oscillatory crossover from two dimensional to three dimensional topological insulators
Chao-Xing Liu, HaiJun Zhang, Binghai Yan +5
We investigate the crossover regime from three dimensional topological insulators and to two dimensional topological insulators with quantum spin Hall effect…
Experimental demonstration of the topological surface states protected by the time-reversal symmetry
Tong Zhang, Peng Cheng, Xi Chen +9
We report direct imaging of standing waves of the nontrivial surface states of topological insulator BiTe by using a low temperature scanning tunneling microscope. The inte…
Topological Insulators at Room Temperature
Haijun Zhang, Chao-Xing Liu, Xiao-Liang Qi +3
Topological insulators are new states of quantum matter with surface states protected by the time-reversal symmetry. In this work, we perform first-principle electronic structure c…