Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Phonon-assisted excitation transfer in quantum dot molecules   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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The categories of this paper are: quant-ph
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The categories of this paper are: cmp-lg
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The categories of this paper are: hep-lat
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The categories of this paper are: dg-ga
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The categories of this paper are: math
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The categories of this paper are: nucl-th
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The categories of this paper are: gr-qc
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The categories of this paper are: atom-ph
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The categories of this paper are: math-ph
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The categories of this paper are: q-bio
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The categories of this paper are: solv-int
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The categories of this paper are: chao-dyn
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The categories of this paper are: adap-org
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The categories of this paper are: plasm-ph
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The categories of this paper are: econ
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The categories of this paper are: eess