Phonon modulation of the spin-orbit interaction as a spin relaxation mechanism in InSb quantum dots

Thumbnail Image

Date

Authors

Journal Title

Journal ISSN

Volume Title

Publisher

Abstract

Description

We calculate the spin relaxation rates in a parabolic InSb quantum dots due to the spin interaction with acoustical phonons. We considered the deformation potential mechanism as the dominant electron-phonon coupling in the Pavlov-Firsov spin-phonon Hamiltonian. By studying suitable choices of magnetic field and lateral dot size, we determine regions where the spin relaxation rates can be practically suppressed. We analyze the behavior of the spin relaxation rates as a function of an external magnetic field and mean quantum dot radius. Effects of the spin admixture due to Dresselhaus contribution to spin-orbit interaction are also discussed.
5 page, 2 figures, accepted in Phonons 2007 proceedings

Keywords

Mesoscale and Nanoscale Physics

Citation

URI

http://salesiana.dossiersoluciones.com/handle/123456789/145861

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0801.1952
 http://arxiv.org/abs/0801.1952

Collections

arXiv