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Polarized Electric Current in Semiclassical Transport with Spin-Orbit Interaction | | P. G. Silvestrov
; E. G. Mishchenko
; | | Date: |
20 Jun 2005 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | Semiclassical solutions of a two-dimensional Schrodinger equation with spin-orbit interaction and a smooth potential are considered. We argue that the electron motion in the semiclassical approximation follows the evolution of one of the spin-orbit-split energy subbands. Within a given subband the in-plane electron spin orientation is adjusted to the momentum orientation. This allows to generate spin-polarized currents with the help of a barrier or quantum point contact open for transmission only in a lower subband. Out-of-plane spin polarization appears as a quantum correction. | | Source: | arXiv, cond-mat/0506516 | | Services: | Forum | Review | PDF | Favorites | |
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