Theory of phonon-induced spin relaxation in laterally coupled quantum dots |
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Authors: | Stano Peter Fabian Jaroslav |
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Institution: | Institute for Theoretical Physics, University of Regensburg, 93040 Regensburg, Germany. |
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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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