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Title
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Spin-current generation from Coulomb-Rashba interaction in semiconductor bilayers
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Author
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Abstract
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| 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. |
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Language
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English
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Source (journal)
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Physical review : B : condensed matter and materials physics. - Lancaster, Pa, 1998 - 2015
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Publication
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Lancaster, Pa
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2011
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ISSN
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1098-0121
[print]
1550-235X
[online]
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DOI
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10.1103/PHYSREVB.84.033305
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Volume/pages
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84
:3
(2011)
, p. 033305,1-033305,4
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Article Reference
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033305
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ISI
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000293129200001
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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