Relaxation of the Electron Spin in Quantum Dots Via One- and Two-Phonon Processes

Details Relaxation of the Electron Spin in Quantum Dots Via One- and Two-Phonon Processes Relaxation of the Electron Spin in Quantum Dots Via One- and Two-Phonon Processes

2006-09-05

arxiv.org/abs/cond-mat/0609108v1

Physics

Condensed Matter

Other Condensed Matter

3 pages, to be published in the Journal of Magnetism and Magnetic Materials 2006

Scientific paper

10.1016/j.jmmm.2007.03.174

We have studied direct and Raman processes of the decay of electron spin
states in a quantum dot via radiation of phonons corresponding to elastic
twists. Universal dependence of the spin relaxation rate on the strength and
direction of the magnetic field has been obtained in terms of the electron
gyromagnetic tensor and macroscopic elastic constants of the solid.

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