Spin-density induced by electromagnetic wave in two-dimensional electron gas

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We consider the magnetic response of a two-dimensional electron gas (2DEG) with a spin-orbit interaction to a long-wave-length electromagnetic excitation. We observe that the transverse electric field creates spin polarization perpendicular to the 2DEG plane. The effect is more prominent in clean systems with resolved spin-orbit-split subbands, and reaches maximum when the frequency of the wave matches the subband splitting at the Fermi momentum. The relation of this effect to the spin-Hall effect is discussed.
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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/126080

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0610124
 http://arxiv.org/abs/cond-mat/0610124
 Europhys. Lett. 78, 27001 (2007)
 doi:10.1209/0295-5075/78/27001

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