Phonon-assisted excitation transfer in quantum dot molecules

Details Phonon-assisted excitation transfer in quantum dot molecules Phonon-assisted excitation transfer in quantum dot molecules

2007-06-06

arxiv.org/abs/0706.0862v1

Acta Physica Polonica A 112 (2007) 197

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

To be presented at the school Jaszowiec 2007

Scientific paper

We derive a quantum-kinetic description of phonon-assisted F{\"o}rster
transfer between two coupled quantum dots (a quantum dot molecule). We show
that the exciton state decays to the ground state of the QDM via a combination
of the Rabi rotation and exponential decay. For moderately spaced dots this
process takes place on a picosecond time scale.

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