Title
Spin-current generation from Coulomb-Rashba interaction in semiconductor bilayers Spin-current generation from Coulomb-Rashba interaction in semiconductor bilayers
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
Volume/pages
84(2011) :3 , p. 033305,1-033305,4
ISSN
1098-0121
ISI
000293129200001
Article Reference
033305
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Electrons in double-layer semiconductor heterostructures experience a special type of spin-orbit interaction that arises in each layer from the perpendicular component of the Coulomb electric field created by electron-density fluctuations in the other layer. We show that this interaction, acting in combination with the usual spin-orbit interaction, can generate a spin current in one layer when a charge current is driven in the other. This effect is distinct symmetrywise from the spin-Hall drag. The spin current is not, in general, perpendicular to the drive current.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/f6b02c/0b0b7749.pdf
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