Please use this identifier to cite or link to this item: http://hdl.handle.net/2307/80
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dc.contributor.authorRaimondi, Roberto-
dc.contributor.authorGorini, Cosimo-
dc.contributor.authorSchwab, Peter-
dc.contributor.authorDzierzawa, Michael-
dc.date.accessioned2008-09-09T07:00:13Z-
dc.date.available2008-09-09T07:00:13Z-
dc.date.issued2006-07-27-
dc.identifier.citation35en
dc.identifier.urihttp://link.aps.org/abstract/PRB/v74/e035340-
dc.identifier.urihttp://hdl.handle.net/2307/80-
dc.description.abstractWe study the spin-charge coupled transport in a two-dimensional electron system using the method of quasiclassical (-integrated) Green's functions. In particular we derive the Eilenberger equation in the presence of a generic spin-orbit field. The method allows us to study spin and charge transport from ballistic to diffusive regimes and continuity equations for spin and charge are automatically incorporated. In the clean limit we establish the connection between the spin Hall conductivity and the Berry phase in momentum space. For finite systems we solve the Eilenberger equation numerically for the special case of the Rashba spin-orbit coupling and a two-terminal geometry. In particular, we calculate explicitly the spin Hall induced spin polarization in the corners, predicted by Mishchenko et al. [Phys. Rev. Lett. 93, 226602 (2004)]. Furthermore we find universal spin currents in the short-time dynamics after switching on the voltage across the sample, and calculate the corresponding spin Hall polarization at the edges. Where available, we find perfect agreement with analytical results.en
dc.language.isoen_USen
dc.publisherAmerican Physical Societyen
dc.relation.ispartofPhysical Review B-Condensed Matter and Material Physicsen
dc.subjectspin Hall effecten
dc.subjectspin orbit interactionen
dc.subjectspin-polarized transporten
dc.subjecttwo-dimensional electron gasen
dc.subjectGreen's function methoden
dc.titleQuasiclassical approach to the spin-Hall effect in the two-dimensional electron gasen
dc.typeArticleen
dc.subject.miurFIS/03en
dc.subject.miurFIS/03-
dc.subject.anagraferoma3Scienze fisicheen
dc.relation.volumenumber74en
dc.relation.pagenumber035340en
dc.identifier.doi10.1103/PhysRevB.74.035340-
dc.description.romatrecurrentDipartimento di Fisica 'Edoardo Amaldi'*
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