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

URN to cite this document:
urn:nbn:de:bvb:355-epub-17853
DOI to cite this document:
10.5283/epub.1785
Stano, Peter ; Fabian, Jaroslav
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Date of publication of this fulltext: 05 Aug 2009 13:32



Abstract

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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