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Spin-Mechanical Inertia in Antiferromagnet
Ran Cheng, Xiaochuan Wu, Di Xiao
Angular momentum conservation has served as a guiding principle in the interplay between spin dynamics and mechanical rotations. However, in an antiferromagnet with vanishing magne…
Anomalous Feedback and Negative Domain Wall Resistance
Ran Cheng, Jian-Gang Zhu, Di Xiao
Magnetic induction can be regarded as a negative feedback effect, where the motive-force opposes the change of magnetic flux that generates the motive-force. In artificial electrom…
Spin Nernst Effect of Magnons in Collinear Antiferromagnets
Ran Cheng, Satoshi Okamoto, Di Xiao
In a collinear antiferromagnet with easy-axis anisotropy, symmetry guarantees that the spin wave modes are doubly degenerate. The two modes carry opposite spin angular momentum and…
Dynamic Feedback in Ferromagnet/Spin Hall Metal Heterostructures
Ran Cheng, Jian-Gang Zhu, Di Xiao
In ferromagnet/normal metal heterostructures, spin pumping and spin-transfer torques are two reciprocal processes that occur concomitantly. Their interplay introduces a dynamic fee…