Spin orientation of two-dimensional electron gas under intraband optical pumping

Details Spin orientation of two-dimensional electron gas under intraband optical pumping Spin orientation of two-dimensional electron gas under intraband optical pumping

2002-02-26

arxiv.org/abs/cond-mat/0202471v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 2 figures, Symposium "Nanostructures: Physics and Technology", St.Petersburg, Russia, 2002

Scientific paper

10.1117/12.514460

The theory of spin orientation of two-dimensional (2D) electron gas has been developed for intrasubband indirect optical transitions. The monopolar optical orientation of electrons in the conduction band is caused by the indirect scattering with virtual intermediate states in the valence band and allowance for selection rules for interband transitions. The considered mechanism of optical orientation is shown to be in an inherent relation with the special Elliot-Yafet mechanism of electron spin relaxation induced by virtual interband scattering.

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