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Title: Magneto-spin Hall conductivity of a two-dimensional electron gas
Authors: Milletarì, Mirco
Raimondi, Roberto
Schwab, Peter
Keywords: spintronica
spin Hall effect
Issue Date: 5-Jun-2008
Abstract: It is shown that the interplay of long-range disorder and in-plane magnetic field gives rise to an out-of-plane spin polarization and a finite spin Hall conductivity of the two-dimensional electron gas in the presence of Rashba spin-orbit coupling. A key aspect is provided by the electric-field–induced in-plane spin polarization. Our results are obtained first in the clean limit where the spin-orbit splitting is much larger than the disorder broadening of the energy levels via the diagrammatic evaluation of the Kubo formula. Then the results are shown to hold in the full range of the disorder parameter αpFτ by means of the quasiclassical Green function technique.
DOI: 10.1209/0295-5075/82/67005
Appears in Collections:A - Articolo su rivista
X_Dipartimento di Fisica 'Edoardo Amaldi'

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