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Phys Rev Lett. 2005 Mar 11;94(9):096603. Epub 2005 Mar 11.

Pure spin current from one-photon absorption of linearly polarized light in noncentrosymmetric semiconductors.

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1
Department of Physics, University of Toronto, 60 St. George Street, Toronto, Ontario, Canada M5S 1A7.

Abstract

We show that one-photon absorption of linearly polarized light should produce pure spin currents in noncentrosymmetric semiconductors, including even bulk GaAs. We present 14x14 k.p model calculations of the effect in GaAs, including strain, and pseudopotential calculations of the effect in wurtzite CdSe.

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