137 citations · 652 across the 27 of their papers we have counts for
27 papers
Quantum Anomalous Hall Effect in Oxide Monolayers
Zeyu Li, Xudong Zhu, Yulei Han +1
Quantum anomalous Hall effect (QAHE) arises from the interplay between magnetic order and spin-orbit coupling, which opens up a topologically nontrivial band gap to host chiral edg…
Electronic-correlation-assisted charge stripe order in a Kagome superconductor
Linwei Huai, Zhuying Wang, Huachen Rao +12
A central mystery in high-temperature cuprate superconductors is the coexistence of multiple exotic orders, which is presumably associated with strong electronic correlation. The o…
The Layer Hall Effect without External Electric Field
Yulei Han, Yunpeng Guo, Zeyu Li +1
The layer Hall effect is an intriguing phenomenon observed in magnetic topological layered materials, where the Hall response arises from the opposite deflection of electrons on to…
An ab-initio study on engineering quantum anomalous Hall effect in compensated antiferromagnet MnBiTe
Zeyu Li, Yulei Han, Zhenhua Qiao
Recently, the quantum anomalous Hall effect (QAHE) has been theoretically proposed in compensated antiferromagnetic systems by using the magnetic topological insulator model [see a…
Electric-field-tunable topological phases in valley-polarized quantum anomalous Hall systems with inequivalent exchange fields
Shiyao Pan, Zeyu Li, Yulei Han
Incorporating valley as a degree of freedom into quantum anomalous Hall systems offers a novel approach to manipulating valleytronics in electronic transport. Using the Kane-Mele m…
Flat bands and distinct density wave orders in correlated Kagome superconductor CsCrSb
Shuting Peng, Yulei Han, Yongkai Li +15
Kagome metal CsVSb has attracted much recent attention due to the coexistence of multiple exotic orders and the associated proposals to mimic unconventional high temperatur…
Two-dimensional phase diagram of the charge density wave in doped CsVSb
Linwei Huai, Hongyu Li, Yulei Han +15
Kagome superconductors AVSb (A = K, Rb and Cs) have attracted much recent attention due to the coexistence of multiple exotic orders. Among them, the charge density wave (C…
Tunning the number of chiral edge channels in a fixed quantum anomalous Hall system
Peng Deng, Yulei Han, Peng Zhang +3
Quantum anomalous Hall (QAH) insulators exhibit chiral edge channels characterized by vanishing longitudinal conductance and quantized Hall conductance of Ce2/h, wherein the Chern…
A unique van Hove singularity in kagome superconductor CsVTaSb with enhanced superconductivity
Yang Luo, Yulei Han, Jinjin Liu +23
Van Hove singularity (VHS) has been considered as a driving source for unconventional superconductivity. A VHS in two-dimensional (2D) materials consists of a saddle point connecti…
Valley-polarized quantum anomalous Hall effect in van der Waals heterostructures based on monolayer jacutingaite family materials
Xudong Zhu, Yuqian Chen, Zheng Liu +2
We numerically study the general valley polarization and anomalous Hall effect in van der Waals (vdW) heterostructures based on monolayer jacutingaite family materials PtAX$_…
Layer Zero-Line Modes in Antiferromagnetic Topological Insulators
Wenhao Liang, Tao Hou, Junjie Zeng +3
Recently, the magnetic domain walls have been experimentally observed in antiferromagnetic topological insulators MnBiTe, where we find that the topological zero-line modes…
Chern Number Tunable Quantum Anomalous Hall Effect in Monolayer Transitional Metal Oxides via Manipulating Magnetization Orientation
Zeyu Li, Yulei Han, Zhenhua Qiao
Although much effort has been made to explore quantum anomalous Hall effect (QAHE) in both theory and experiment, the QAHE systems with tunable Chern numbers are yet limited. Here,…
Large Rashba Spin-Orbit Coupling and High-Temperature Quantum Anomalous Hall Effect in Re-Intercalated Graphene/CrI Heterostructure
Yulei Han, Zhi Yan, Zeyu Li +4
In 2010, quantum anomalous Hall effect (QAHE) in graphene was proposed in the presence of Rashba spin-orbit coupling and ferromagnetic exchange field. After a decade's experimental…
Second-Order Topological Insulator in van der Waals Heterostructures of CoBr/PtHgSe/CoBr
Zheng Liu, Yafei Ren, Yulei Han +2
Second-order topological insulator, which has (d-2)-dimensional topological hinge or corner states, has been observed in three-dimensional materials, but has yet not been observed…
Realizing Kagome Band Structure in Two-Dimensional Kagome Surface States of (=Gd,Ho)
Shuting Peng, Yulei Han, Ganesh Pokharel +14
We report angle resolved photoemission experiments on a newly discovered family of kagome metals (=Gd, Ho). Intrinsic bulk states and surface states of the vanadi…
Pressure-induced dimensional crossover in a kagome superconductor
Fanghang Yu, Xudong Zhu, Xikai Wen +9
The recently discovered kagome superconductors AV3Sb5 exhibit tantalizing high-pressure phase diagrams, in which a new dome-like superconducting phase emerges under moderate pressu…
Large-Gap Quantum Anomalous Hall Effect in Monolayer Halide Perovskite
Zeyu Li, Yulei Han, Zhenhua Qiao
We theoretically propose a family of structurally stable monolayer halide perovskite ABC (A=Rb, Cs; B=Pd, Pt; C=Cl, Br) with easy magnetization planes. These materials…
Interlayer Ferromagnetism and High-Temperature Quantum Anomalous Hall Effect in \textit{p}-Doped MnBiTe Multilayers
Yulei Han, Shiyang Sun, Shifei Qi +2
The interlayer antiferromagnetic coupling hinders the observation of quantum anomalous Hall effect in magnetic topological insulator MnBiTe. We demonstrate that interlayer…
Van der Waals Heterostructure PtHgSe/CrI for Topological Valleytronics
Zheng Liu, Yulei Han, Yafei Ren +2
We identify a valley-polarized Chern insulator in the van der Waals heterostructure, PtHgSe/CrI, for potential applications with interplay between electric, magneti…
Berry-Curvature Exchange Induced Anderson Localization in Large-Chern-Number Quantum Anomalous Hall Effect
Hui Yang, Junjie Zeng, Yulei Han +1
We theoretically investigate the localization mechanism of quantum anomalous Hall Effect (QAHE) with large Chern numbers in bilayer graphene and magnetic topological…
Mesoscopic Electronic Transport in Twisted Bilayer Graphene
Yulei Han, Yafei Ren, Xinlong Dong +3
We numerically investigate the electronic transport properties between two mesoscopic graphene disks with a twist by employing the density functional theory coupled with non-equili…
Pursuing High-Temperature Quantum Anomalous Hall Effect in MnBiTe/SbTe Heterostructures
Shifei Qi, Ruiling Gao, Maozhi Chang +2
Quantum anomalous Hall effect (QAHE) has been experimentally realized in magnetically-doped topological insulators or intrinsic magnetic topological insulator MnBiTe by app…
Nonmagnetic-Doping Induced Quantum Anomalous Hall Effect in Topological Insulators
Shifei Qi, Ruiling Gao, Maozhi Chang +3
Quantum anomalous Hall effect (QAHE) has been experimentally observed in magnetically doped topological insulators. However, ultra-low temperature (usually below 300 mK), which is…
Universal Current Correlations Induced by the Majorana and Fermionic Andreev Bound States
Kunhua Zhang, Xinlong Dong, Junjie Zeng +2
Due to their nonlocality, Majorana bound states have been proposed to induce current-current correlations (CCCs) that are completely different from those induced by low-energy ferm…