Hopping between localized Floquet states in periodically driven quantum dots

Details Hopping between localized Floquet states in periodically driven quantum dots Hopping between localized Floquet states in periodically driven quantum dots

2003-07-03

arxiv.org/abs/cond-mat/0307081v1

Phys. Rev. Lett. 91, 206801 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

5 pages, 1 figure

Scientific paper

10.1103/PhysRevLett.91.206801

The dynamic localization in energy space -- suppression of the absorption of energy from an external microwave field due to quantum interference -- was analyzed recently for a closed quantum dot in the absence of electron-electron interactions. Here a weak interaction is shown to lead to a finite absorption and heating, which may be viewed as hopping between localized Floquet states. The heating rate grows together with the electronic temperature, eventually destroying the localization.

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