Thermal orientation of electron spins

Details Thermal orientation of electron spins Thermal orientation of electron spins

2008-03-04

arxiv.org/abs/0803.0401v1

Fiz. Tekh. Poluprovodn. 42, 982 (2008) [Semicond. 42, 967 (2008)]

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 1 figure

Scientific paper

10.1134/S1063782608080150

It is shown that the spin orientation of free electrons occurs in low-symmetry semiconductor structures if only the electron gas is driven out of thermal equilibrium with the crystal lattice. The proposed mechanism of such a thermal orientation of electron spins is based on spin dependence of the electron-phonon interaction which tends to restore equilibrium. The microscopic theory of the effect is developed here for asymmetric (110)-grown quantum wells where the electron gas heating leads to the spin orientation along the [1-10] axis in the quantum well plane.

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