Theory of phonon-induced spin relaxation in laterally coupled quantum dots

Details Theory of phonon-induced spin relaxation in laterally coupled quantum dots Theory of phonon-induced spin relaxation in laterally coupled quantum dots

2005-12-29

arxiv.org/abs/cond-mat/0512713v2

Phys. Rev. Lett., 96, 186602, 2006

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures, replaced with a revised version

Scientific paper

10.1103/PhysRevLett.96.186602

Phonon-induced spin relaxation in coupled lateral quantum dots in the presence of spin-orbit coupling is calculated. The calculation for single dots is consistent with experiment. Spin relaxation in double dots at useful interdot couplings is dominated by spin hot spots that are strongly anisotropic. Spin hot spots are ineffective for a diagonal crystallographic orientation of the dots with a transverse in-plane field. This geometry is proposed for spin-based quantum information processing.

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