55 citations · 166 across the 17 of their papers we have counts for
17 papers
Revisiting quadratic band crossing: from interaction-driven instability to intrinsic topology
Yadong Jiang, Linghao Huang, Zhaochen Liu +2
The realization of robust quantum anomalous Hall (QAH) phases at elevated temperatures remains a central challenge in condensed matter physics. While quadratic band crossing points…
Symmetry-enabled tunable square-lattice Hubbard models in -valley moiré bilayers
Rui Shi, Kejie Bao, Huan Wang +1
Square-lattice moiré systems provide a promising route for quantum simulation of Hubbard physics, yet electrically tunable realizations of the hopping ratio have so far been…
Moiré Ferroelectricity-Driven Band Engineering in Twisted Square Bilayers
Kejie Bao, Rui Shi, Huan Wang +2
We develop the moiré band theory for M-valley twisted square homobilayers with layer groups - and -, and propose candidate material realizations. We show that moiré…
FeTaX2: A ferrimagnetic quantum anomalous Hall insulator
Yadong Jiang, Huan Wang, Jing Wang
We propose that the van der Waals layered ternary transition metal chalcogenides FeTa ( S, Se, Te) as a new family of ferrimagnetic quantum anomalous Hall insulators with…
Anisotropic moiré band flattening in twisted bilayers of M-valley MXenes
Kejie Bao, Huan Wang, Zhaochen Liu +1
Experimental studies on moiré materials have predominantly focused on twisted hexagonal lattice with low-energy states near the - or K-points, where the electronic dispersion is…
Intrinsic Quantum Mpemba Effect in Markovian Systems and Quantum Circuits
Dongheng Qian, Huan Wang, Jing Wang
The quantum Mpemba effect (QME) describes the counterintuitive phenomenon in which a system farther from equilibrium reaches steady state faster than one closer to equilibrium. How…
Orbital Description of Landau Levels
Huan Wang, Rui Shi, Zhaochen Liu +1
The pursuit of a lattice analogue for Landau levels has been a central theme in condensed matter physics. Although the correspondence between Chern bands and the lowest Landau leve…
Flat Chern bands and correlated states in spiral magnet ReAgCl
Kejie Bao, Rui Shi, Huan Wang +2
We predict the van der Waals monolayer ReAgCl hosts isolated flat Chern bands at the Fermi level in its antiferromagnetic ground state. Their flatness and nontr…
Isolated nearly flat higher Chern band in monolayer transition metal trihalides
Kejie Bao, Huan Wang, Jiaxuan Guo +3
The interplay between non-trivial topology and strong electron interaction can generate a variety of exotic quantum matter. Here we theoretically propose that monolayer transition…
Intrinsic antiferromagnetic topological insulator and axion state in V2WS4
Yadong Jiang, Huan Wang, Kejie Bao +1
Intrinsic magnetic topological insulators offers an ideal platform to explore exotic topological phenomena, such as axion electrodynamics, quantum anomalous Hall (QAH) effect and M…
Giant anisotropic band flattening in twisted valley semiconductor bilayers
Huan Wang, Zhaochen Liu, Yadong Jiang +1
We propose a general theory of anisotropic band flattening in moiré systems at the valley. For a two-dimensional semiconductor with a rectangular unit cell of or mirro…
Discovering two-dimensional magnetic topological insulators by machine learning
Haosheng Xu, Yadong Jiang, Huan Wang +1
Topological materials with unconventional electronic properties have been investigated intensively for both fundamental and practical interests. Thousands of topological materials…
Monolayer V2MX4: A new family of quantum anomalous Hall insulators
Yadong Jiang, Huan Wang, Kejie Bao +2
We theoretically propose that the van der Waals layered ternary transition metal chalcogenide V ( W, Mo; S, Se) is a new family of quantum anomalous Hall insulato…
Large-Gap Quantum Anomalous Hall Insulators in Ti Class
Yadong Jiang, Huan Wang, Jing Wang
We theoretically propose that the monolayer Ti family (KTiSb, KTiBi, RbTiSb, SrTiSn) are potential candidates for large-gap quantum anomalous Hall insulators with high Chern…
Moiré Engineering and Topological Flat Bands in Twisted Orbital-Active Bilayers
Huan Wang, Yadong Jiang, Zhaochen Liu +1
Topological flat bands at the Fermi level offer a promising platform to study a variety of intriguing correlated phase of matter. Here we present band engineering in the twisted or…
Magnetic moiré surface states and flat chern band in topological insulators
Zhaochen Liu, Huan Wang, Jing Wang
We theoretically study the effect of magnetic moiré superlattice on the topological surface states by introducing a continuum model of Dirac electrons with a single Dirac cone movi…
Topological bands in two-dimensional orbital-active bipartite lattices
Huan Wang, Jing Wang
The search for large gap quantum spin Hall (QSH) and quantum anomalous Hall (QAH) insulators is important both for fundamental and practical interests. The degenerate multi-orbital…