Anisotropic spin splitting and spin relaxation in asymmetric zinc-blende semiconductor quantum structures
Condensed Matter
2009-11-10 v2
Abstract
Spin relaxation due to the D'yakonov-Perel' mechanism is intimately related with the spin splitting of the electronic states. We determine the spin relaxation rates from anisotropic spin splittings of electron subbands in n-(001) zinc-blende semiconductor quantum structures calculated self-consistently in the multi-band envelope function approach. The giant anisotropy of spin relaxation rates found for different spin-components in the (001) plane can be ascribed to the interplay between the bulk and quantum well inversion asymmetry. One of the in-plane relaxation rates may exhibit a striking nonmonotonous dependence on the carrier density.
Keywords
Cite
@article{arxiv.cond-mat/0304017,
title = {Anisotropic spin splitting and spin relaxation in asymmetric zinc-blende semiconductor quantum structures},
author = {J. Kainz and U. Roessler and R. Winkler},
journal= {arXiv preprint arXiv:cond-mat/0304017},
year = {2009}
}
Comments
6 pages, 7 figures; revised version with minor changes after refereeing