Singlet-triplet dephasing in asymmetric quantum dot molecules

Details Singlet-triplet dephasing in asymmetric quantum dot molecules Singlet-triplet dephasing in asymmetric quantum dot molecules

2009-07-06

arxiv.org/abs/0907.1092v1

Acta Phys. Pol. 116, 874 (2009)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

2 pages, generalization of arXiv:0903.0783

Scientific paper

We discuss pure dephasing of singlet-triplet superpositions in two-electron
double quantum dots due to elastic phonon scattering. We generalize our
previous results to a system built of two non-identical dots. We show that the
asymmetry must be very strong in order to considerably affect the dephasing
rate.

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