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Linear magnetoresistance induced by intra-scattering semiclassics of Bloch electrons
Cong Xiao, Hua Chen, Yang Gao +3
The weak field magnetoresistance has seen a revived interest due to the distinct role played by the momentum-space Berry curvature of Bloch electrons. While most previous studies i…
Chern Kondo Insulator in an Optical Lattice
Hua Chen, Xiong-Jun Liu, X. C. Xie
We propose to realize and observe Chern Kondo insulators in an optical superlattice with laser-assisted and orbital hybridization and synthetic gauge field, which can be en…
Strong interface-induced spin-orbit coupling in graphene on WS2
Zhe Wang, Dong-Keun Ki, Hua Chen +3
Interfacial interactions allow the electronic properties of graphene to be modified, as recently demonstrated by the appearance of satellite Dirac cones in the band structure of gr…
High-Temperature Quantum Anomalous Hall Effect in n-p Codoped Topological Insulators
Shifei Qi, Zhenhua Qiao, Xinzhou Deng +7
The quantum anomalous Hall effect (QAHE) is a fundamental quantum transport phenomenon that manifests as a quantized transverse conductance in response to a longitudinally applied…
Formation of Molecular-Orbital Bands in a Twisted Hubbard Tube: Implications for Unconventional Superconductivity in K2Cr3As3
Hanting Zhong, Xiao-Yong Feng, Hua Chen +1
We study a twisted Hubbard tube modeling the [CrAs] structure of quasi-one-dimensional superconductors A2Cr3As3 (A = K, Rb, Cs). The molecular-orbital bands emerging from the quasi…
Quantum Anomalous Hall Effect in Graphene Proximity Coupled to an Antiferromagnetic Insulator
Zhenhua Qiao, Wei Ren, Hua Chen +4
We propose realizing the quantum anomalous Hall effect by proximity coupling graphene to an antiferromagnetic insulator that provides both broken time-reversal symmetry and spin-or…