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

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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.
Version 2 (5 pages, 2 figures) uses semiconductor optical Bloch equations. Version 1 (10 preprint pages, 2 figures) uses a rate equation approach. Both versions give the same results. Version 2 will appear in Phys. Rev. Lett

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http://salesiana.dossiersoluciones.com/handle/123456789/23658

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0404066
 http://arxiv.org/abs/cond-mat/0404066
 Phys. Rev. Lett. 94, 096603 (2005)
 doi:10.1103/PhysRevLett.94.096603

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