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Anomalous Quantum Oscillations of Interacting Electron-hole Gases in Inverted Type-II InAs/GaSb Quantum Wells
Di Xiao, Lun-Hui Hu, Chao-Xing Liu +1
We report magneto-transport studies of InAs/GaSb bilayer quantum wells in a regime where the interlayer tunneling between the electron and hole gases is suppressed. When the chemic…
Spin chirality fluctuation in two-dimensional ferromagnets with perpendicular anisotropy
Wenbo Wang, Matthew W. Daniels, Zhaoliang Liao +7
Non-coplanar spin textures with scalar spin chirality can generate effective magnetic field that deflects the motion of charge carriers, resulting in topological Hall effect (THE),…
Nonreciprocal Directional Dichroism Induced by the Quantum Metric Dipole
Yang Gao, Di Xiao
We identify the quantum metric dipole as the geometric origin of the nonreciprocal directional dichroism which describes the change in the refractive index upon reversing the light…
Magnetic domain wall Skyrmions
Ran Cheng, Maxwell Li, Arjun Sapkota +7
It is well established that the spin-orbit interaction in heavy metal/ferromagnet heterostructures leads to a significant interfacial Dzyaloshinskii-Moriya Interaction (DMI) that m…
Stacking-Dependent Magnetism in Bilayer CrI
Nikhil Sivadas, Satoshi Okamoto, Xiaodong Xu +2
We report the connection between the stacking order and magnetic properties of bilayer CrI using first-principles calculations. We show that the stacking order defines the magn…
Spin Nernst effect in the Paramagnetic Regime of An Antiferromagnetic Insulator
Yinhan Zhang, Satoshi Okamoto, Di Xiao
We theoretically investigate a pure spin Hall current driven by a longitudinal temperature gradient, i.e., the spin Nernst effect (SNE), in a paramagnetic state of a collinear anti…