Equilibrium edge spin currents in two-dimensional electron systems with spin-orbit interaction

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dc.creatorSablikov, Vladimir A.
dc.creatorSukhanov, Aleksei A.
dc.creatorTkach, Yurii Ya.
dc.date2008-09-29
dc.date.accessioned2026-07-07T10:07:14Z
dc.date.available2026-07-07T10:07:14Z
dc.descriptionWe find a specific mechanism of background spin currents in two-dimensional electron systems with spatially nonuniform spin-orbit interaction (SOI) at thermodynamic equilibrium, in particular, in the systems consisting of regions with and without SOI. The spin density flows tangentially to the boundary in the normal and SOI regions within a layer of the width determined by the SOI strength. The density of these edge currents significantly exceeds the bulk spin current density. The spin current is polarized normally to the boundary. The spatial distribution of equilibrium spin currents is investigated in detail in the case of a step-like variation of the SOI strength and potential at the interface.
dc.description4 pages, 2 figures, accepted for publication in Phys. Rev. B
dc.identifierhttps://arxiv.org/abs/0809.5044
dc.identifierhttp://arxiv.org/abs/0809.5044
dc.identifierPhysical Review B, Vol.78, No.15, 153302 (2008)
dc.identifierdoi:10.1103/PhysRevB.78.153302
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170560
dc.subjectMesoscale and Nanoscale Physics
dc.titleEquilibrium edge spin currents in two-dimensional electron systems with spin-orbit interaction
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