275 citations · 527 across the 27 of their papers we have counts for
27 papers
Evolution and breakdown of chiral anomaly in Weyl semiconductor tellurium
Zhifeng Xue, Jiaji Zhao, Yi Ji +16
Chiral anomaly in topological materials manifests as negative longitudinal magnetoresistance, yet the tunability and evolution of this effect remain elusive. Here we show that dope…
Moiré and frustration physics of dipolar supersolids under periodic confinement
Ze-Hong Guo, Kai Gan, and Qizhong Zhu
We study the ground-state phases of a two-dimensional dipolar supersolid subjected to external periodic confinement by numerically solving the extended Gross--Pitaevskii equation.…
Interaction-induced moiré lattices: from mosaic mobility edges to many-body localization
Yan-Hao Yang, Zhihao Xu, Lei Ying +1
We study localization driven solely by interparticle interactions in moiré lattice systems without intrinsic disorder or externally imposed quasiperiodic potentials. We consider a…
Phonon-scattering-induced quantum linear magnetoresistance up to room temperature
Nannan Tang, Shuai Li, Yanzhao Liu +12
The realization of quantum transport effects at elevated temperatures has long intrigued researchers due to the implications for unveiling novel physics and developing quantum devi…
topological trion insulator
Yichen Chu, Qizhong Zhu
Trions, charged quasiparticles formed by binding an exciton to an excess charge carrier, dominate the optical response of doped transition metal dichalcogenides (TMDs), and the stu…
Topological exciton bands and many-body exciton phases in transition metal dichalcogenide trilayer heterostructures
Ze-Hong Guo, Tao Yan, Jin-Zhu Zhao +2
Twisted multilayer transition metal dichalcogenides (TMDs) are a promising platform for realizing topological exciton phases. Here we propose that twisted TMD heterotrilayers WX$_2…
Interaction-induced reentrance of Bose glass and quench dynamics of Bose gases in twisted bilayer and quasicrystal optical lattices
Shi-Hao Ding, Li-Jun Lang, Qizhong Zhu +1
We investigate the ground-state and dynamical properties of ultracold Bose gases in optical lattices with a quasicrystal structure, inspired by recent experiments on twisted bilaye…
Induced Interactions and Bipolarons in Spin-Orbit Coupled Bose-Einstein Condensates
Zhe Yang, Shanshan Ding, Qizhong Zhu
Impurities immersed in a Bose-Einstein condensate (BEC) can interact indirectly through the exchange of Bogoliubov excitations. These impurities, which form dressed quasiparticles…
Ground State Phases and Topological Excitations of Spin-1 Bose-Einstein Condensate in Twisted Optical Lattices
Tian-Tian Li, Ze-Hong Guo, Xiao-Ning Wang +1
Recently, the simulation of moiré physics using cold atom platforms has gained significant attention. These platforms provide an opportunity to explore novel aspects of moiré physi…
Interaction induced moiré systems in twisted bilayer optical lattices
Jian-Hua Zeng, Qizhong Zhu, Liang He
Moiré related physics in twisted bilayer two-dimensional (2D) materials has attracted widespread interest in condensed matter physics. Simulation of moiré related physics in cold a…
Supercurrent-carrying supersolid in spin-orbit-coupled Bose-Einstein condensates
Hao Lyu, Yuanyuan Chen, Qizhong Zhu +1
One of brilliant achievements in spin-orbit-coupled Bose-Einstein condensates is the discovery and observation of the supersolid stripe states. So far, all studied supersolid strip…
symmetry broken supersolid in spin-orbit-coupled Bose-Einstein condensates
Ze-Hong Guo, Qizhong Zhu
Supersolid is an exotic state of matter characterized by both superfluid properties and periodic particle density modulation, due to spontaneous breaking of U(1) gauge symmetry and…
Dynamical properties of quasiparticles in a tunable Kekulé graphene superlattice
Xiao-Yu Xiong, Xi-Dan Hu, Qizhong Zhu +1
We investigate the dynamical properties of quasiparticles in graphene superlattices with three typical Kekulé distortions (i.e., Kekulé-O, Kekulé-Y and Kekulé-M). On the one hand,…
Searching for Unconventional Superfluid in Excitons of Monolayer Semiconductors
Wei Chen, Chun-Jiong Huang, Qizhong Zhu
It is well known that two-dimensional (2D) bosons in homogeneous space cannot undergo real Bose-Einstein condensation, and the superfluid to normal phase transition is Berezinskii-…
Single photon emitters with polarization and orbital angular momentum locking in monolayer semiconductors
Di Zhang, Sha Deng, Dawei Zhai +2
Excitons in monolayer transition metal dichalcogenide are endowed with intrinsic valley-orbit coupling between their center-of-mass motion and valley pseudospin. When trapped in a…
Metastable supersolid in spin-orbit coupled Bose-Einstein condensates
Wei-Lei Xia, Lei Chen, Tian-Tian Li +2
Supersolid is a special state of matter with both superfluid properties and spontaneous modulation of particle density. In this paper, we focus on the supersolid stripe phase reali…
Moiré exciton condensate: nonlinear Dirac point, broken-symmetry Bloch waves and unusual optical selection rules
Sha Deng, Yichen Chu, Qizhong Zhu
Moiré exciton features tunable Dirac dispersion and spatially dependent optical selection rules. With the long lifetime due to its interlayer nature, it is promising to realize a B…
Electron-Electron Interaction and Weak Antilocalization Effect in a Transition Metal Dichalcogenide Superconductor
Chushan Li, Mebrouka Boubeche, Lingyong Zeng +7
In disordered transition-metal dichalcogenide (TMD) superconductor, both the strong spin-orbit coupling (SOC) and disorder show remarkable effects on superconductivity. However, th…
Chaotic dynamics of Bose-Einstein condensate in a density-dependent gauge field
Lei Chen, Qizhong Zhu
In this work we study the effect of density-dependent gauge field on the collective dynamics of a harmonically trapped Bose-Einstein condensate, beyond the linear response regime.…
Coulomb effects on topological band inversion in the moiré of WSe/BAs heterobilayer
Qizhong Zhu, Qingjun Tong, Huazheng Sun +2
Quantum spin Hall (QSH) insulator with large gap is highly desirable for potential spintronics application. Here we realize electrically tunable QSH insulator with large gap in van…
Gate tuning from exciton superfluid to quantum anomalous Hall in van der Waals heterobilayer
Qizhong Zhu, Matisse Wei-Yuan Tu, Qingjun Tong +1
Van der Waals heterostructures of 2D materials provide a powerful approach towards engineering various quantum phases of matters. Examples include topological matters such as quant…
Topological mosaic in Moiré superlattices of van der Waals heterobilayers
Qingjun Tong, Hongyi Yu, Qizhong Zhu +3
Van der Waals (vdW) heterostructures formed by 2D atomic crystals provide a powerful approach towards designer condensed matter systems. Incommensurate heterobilayers with small tw…
Stationary states and quantum quench dynamics of Bose-Einstein condensates in a double-well potential
Linghua Wen, Qizhong Zhu, Tianfu Xu +2
We consider the properties of stationary states and the dynamics of Bose-Einstein condensates (BECs) in a double-well (DW) potential with pair tunneling by using a full quantum-mec…
Superfluidity of Bose-Einstein condensates in ultracold atomic gases
Qizhong Zhu, Biao Wu
Liquid helium 4 had been the only bosonic superfluid available in experiments for a long time. This situation was changed in 1995, when a new superfluid was born with the realizati…