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1 August 2021 Spin swapping effect for the exchange scattering on chiral spin textures
Maria Lifshits, Konstantin Denisov, Igor Rozhansky
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Proceedings Volume 11805, Spintronics XIV; 118050Z (2021) https://doi.org/10.1117/12.2595507
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States
Abstract
We consider a new mechanism for the spin current swapping effect. The effect manifests in the appearance of the transverse spin current qyx of the spin projection along x in the direction of y, in response to the longitudinal spin current of spin projection along y flowing in x direction with swapped indices qxy, hence the name spin swapping. We show that in the presence of a chiral spin texture primary spin current produces the transverse spin current. This spin-related transport phenomenon is similar to that known for electron scattering on a charged impurity with the account of correlation between the spin rotation and the scattering angle due to spin-orbit interaction. The discussed spin swapping mechanism originates from the electron spin correlations in real space due to an exchange interaction with chiral spin textures such as magnetic skyrmions. The spin swapping effect exists already in the first Born approximation.
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Maria Lifshits, Konstantin Denisov, and Igor Rozhansky "Spin swapping effect for the exchange scattering on chiral spin textures", Proc. SPIE 11805, Spintronics XIV, 118050Z (1 August 2021); https://doi.org/10.1117/12.2595507
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KEYWORDS
Scattering
Electron transport
Magnetism
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