Intersubband spin-orbit coupling and spin splitting in symmetric quantum wells

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Intersubband spin-orbit coupling and spin splitting in symmetric quantum wells

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Title: Intersubband spin-orbit coupling and spin splitting in symmetric quantum wells
Author: Kyrychenko, F. V.; Ullrich, Carsten A.; D'Amico, Irene
Keywords: spin Coulomb drag
spin orbit coupling
Date: 2007-10-15
Publisher: arXiv
Citation: arXiv:0710.2866v1
Abstract: In semiconductors with inversion asymmetry, spin-orbit coupling gives rise to the well-known Dresselhaus and Rashba effects. If one considers quantum wells with two or more conduction subbands, an additional, intersubband-induced spin-orbit term appears whose strength is comparable to the Rashba coupling, and which remains finite for symmetric structures. We show that the conduction band spin splitting due to this intersubband spin-orbit coupling term is negligible for typical III-V quantum wells.
URI: http://hdl.handle.net/10355/7599

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