Bloch's theory in periodic structures with Rashba's spin-orbit interaction release_zsqacgyznvdcdo4x5dwuuxxlye

by S. Smirnov, D. Bercioux, M. Grifoni

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We consider a two-dimensional electron gas with Rashba's spin-orbit interaction and two in-plane potentials superimposed along directions perpendicular to each other. The first of these potentials is assumed to be a general periodic potential while the second one is totally arbitrary. A general form for Bloch's amplitude is found and an eigen-value problem for the band structure of the system is derived. We apply the general result to the two particular cases in which either the second potential represents a harmonic in-plane confinement or it is zero. We find that for a harmonic confinement regions of the Brillouin zone with high polarizations are associated with the ones of large group velocity.
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Type  article
Stage   accepted
Date   2007-09-19
Version   v2
Language   en ?
arXiv  0705.3830v2
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