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Giant room temperature anomalous Hall effect and magnetically tuned topology in the ferromagnetic Weyl semimetal Co2MnAl
Peigang Li, Jahyun Koo, Wei Ning +9
Weyl semimetals (WSM) have been extensively studied due to their exotic properties such as topological surface states and anomalous transport phenomena. Their band structure topolo…
Piezoelectricity and Topological Quantum Phase Transitions in Two-Dimensional Spin-Orbit Coupled Crystals with Time-Reversal Symmetry
Jiabin Yu, Chao-Xing Liu
Finding new physical responses that signal topological quantum phase transitions is of both theoretical and experimental importance. Here, we demonstrate that the piezoelectric res…
Exchange Bias and Quantum Anomalous Hall Effect in the MnBi2Te4-CrI3 Heterostructure
Huixia Fu, Chao-Xing Liu, Binghai Yan
The layered antiferromagnetic MnBi2Te4 films have been proposed to be an intrinsic quantum anomalous Hall (QAH) insulator with a large gap. To realize this proposal, it is crucial…
Disordered Quantum Transport in Quantum Anomalous Hall Insulator-Superconductor Junctions
Jian-Xiao Zhang, Chao-Xing Liu
In this communication, we numerically studied disordered quantum transport in a quantum anomalous Hall insulator-superconductor junction based on the effective edge model approach.…
High- Superconductor Fe(Se,Te) Monolayer: an Intrinsic, Scalable and Electrically-tunable Majorana Platform
Xianxin Wu, Xin Liu, Ronny Thomale +1
A monolayer of the high- superconductor FeTeSe has been predicted to realize a topologically non-trivial state with helical edge modes at its boundary, providing a…
Magnetic-Resonance-Induced Pseudo-electric Field and Giant Current Response in Axion Insulators
Jiabin Yu, Jiadong Zang, Chao-Xing Liu
A quantized version of the magnetoelectric effect, known as the topological magnetoelectric effect, can exist in a time-reversal invariant topological insulator with all its surfac…