Andreas Mielke
Institut für Theoretische Physik
Ruprecht-Karls Universität
Philosophenweg 19
D-69120 Heidelberg
Germany
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mielke@tphys.uni-heidelberg.de
Albert Verdeny, Andreas Mielke, Florian Mintert: Accurate effective Hamiltonians via unitary flow in Floquet space
Phys. Rev. Lett.111,
175301
(2013)
.
Archiv: arXiv:1304.3584
Abstract
We present a systematic construction of effective Hamiltonians of periodically driven quantum systems. Due to an equivalence between the time dependence of a Hamiltonian and an interaction in its Floquet operator, flow equations, that permit to decouple interacting quantum systems, allow us to identify time-independent Hamiltonians for driven systems. With this approach, we explain the experimentally observed deviation of expected suppression of tunneling in ultra-cold atoms.BibTeX-Eintrag
@article{Verdeny2013,
author="Albert Verdeny, Andreas Mielke, Florian Mintert",
title="Accurate effective Hamiltonians via unitary flow in Floquet space",
journal="Phys. Rev. Lett.",
volume="111",
pages="175301",
year="2013"
}
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mielke@tphys.uni-heidelberg.de
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