Non-Markovian spin relaxation in two-dimensional electron gas

Details Non-Markovian spin relaxation in two-dimensional electron gas Non-Markovian spin relaxation in two-dimensional electron gas

2006-09-20

arxiv.org/abs/cond-mat/0609528v1

Europhys. Lett. 76, 102 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 3 figures

Scientific paper

10.1209/epl/i2006-10243-1

We analyze by Monte-Carlo simulations and analytically spin dynamics of 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 the oscillating tail due to the electrons residing on the 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 the quantitative agreement with each other.

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