Non-Markovian hole spin kinetics in $p$-type GaAs quantum wells

Details Non-Markovian hole spin kinetics in $p$-type GaAs quantum wells Non-Markovian hole spin kinetics in $p$-type GaAs quantum wells

2007-08-30

arxiv.org/abs/0708.4086v2

Phys. Rev. B 76, 193312 (2007).

Physics

Condensed Matter

Materials Science

3 pages, 2 figures, PRB in press

Scientific paper

10.1103/PhysRevB.76.193312

Based on fully microscopic kinetic spin Bloch equation approach, we show the non-Markovian effect in spin dephasing of heavy holes in $p$-type GaAs quantum wells. The non-Markovian effect manifests itself in spin dephasing when the mean spin precession time is shorter than the momentum relaxation time. The spin dephasing becomes slower when the non-Markovian effect is important. Moreover, quantum spin beats due to the memory effect of the non-Markovian hole-longitudinal optical phonon scattering are predicted.

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