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Theoretical Evidence for the Berry-Phase Mechanism of Anomalous Hall Transport: First-principles Studies on CuCrSeBr
Yugui Yao, Yongcheng Liang, Di Xiao +4
To justify the origin of anomalous Hall effect (AHE), it is highly desirable to have the system parameters tuned continuously. By quantitative calculations, we show that the doping…
Linear magnetization dependence of the intrinsic anomalous Hall effect
Changgan Zeng, Yugui Yao, Qian Niu +1
The anomalous Hall effect is investigated experimentally and theoretically for ferromagnetic thin films of MnGe. We have separated the intrinsic and extrinsic contributions…
Spin-orbit gap of graphene: First-principles calculations
Yugui Yao, Fei Ye, Xiao-Liang Qi +2
Even though graphene is a low energy system consisting of the two dimensional honeycomb lattice of carbon atoms, its quasi-particle excitations are fully described by the 2+1 dimen…
Berry phase effect in anomalous thermoelectric transport
Di Xiao, Yugui Yao, Zhong Fang +1
We develop a theory of Berry phase effect in anomalous transport in ferromagnets driven by statistical forces such as the gradient of temperature or chemical potential. Here a char…