| Issue |
Europhys. Lett.
Volume 76, Number 1, October 2006
|
|
|---|---|---|
| Page(s) | 102 - 108 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2006-10243-1 | |
| Published online | 06 September 2006 | |
Non-Markovian spin relaxation in two-dimensional electron gas
1
A. F. Ioffe Physico-Technical Institute, Russian Academy of Sciences 194021 St. Petersburg, Russia
2
Department of Physics and Institute for Optical Sciences, University of Toronto 60 St. George Street, Toronto, Ontario, Canada M5S 1A7
Received:
5
July
2006
Accepted:
16
August
2006
We analyze by Monte Carlo simulations and analytically the spin dynamics of a two-dimensional electron gas (2DEG) interacting with short-range scatterers in nonquantizing magnetic fields. It is shown that the spin dynamics is non-Markovian with the exponential spin relaxation followed by an oscillating tail due to the electrons residing on closed trajectories. The tail relaxes on a long time scale due to an additional smooth random potential and inelastic processes. The developed analytical theory and Monte-Carlo simulations are in quantitative agreement with each other.
PACS: 72.25.Rb – Spin relaxation and scattering
© EDP Sciences, 2006
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