Rashba coupling induced spin accumulation in two-dimensional domain wall |
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Authors: | A Phirouznia and F Ghamari |
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Institution: | 1.Department of Physics,Azarbaijan University of Tarbiat Moallem,Tabriz,Iran |
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Abstract: | Non-equilibrium spin accumulation in two-dimensional domain wall (DW) in the presence of external electric field and Rashba
type spin-orbit coupling within the Boltzmann semi-classical
model is investigated. Transport and relaxation of spin polarized current in the DW is governed by spin-flip rates which are
determined by the Rashba interaction and magnetic impurities. Numerical results show that at low impurity densities and nonadiabatic
transport regimes, the Rashba interaction significantly enhances spin polarization of conduction electrons inside the DW. |
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