Time evolution of open quantum many-body systems

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Overbeck, V.R.; Weimer, H.: Time evolution of open quantum many-body systems. In: Physical Review A 93 (2016), Nr. 1, No. 12106. DOI: https://doi.org/10.1103/PhysRevA.93.012106

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Sum total of downloads: 169




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Abstract: 
We establish a generic method to analyze the time evolution of open quantum many-body systems. Our approach is based on a variational integration of the quantum master equation describing the dynamics and naturally connects to a variational principle for its nonequilibrium steady state. We successfully apply our variational method to study dissipative Rydberg gases, finding very good quantitative agreement with small-scale simulations of the full quantum master equation. We observe that correlations related to non-Markovian behavior play a significant role during the relaxation dynamics towards the steady state. We further quantify this non-Markovianity and find it to be closely connected to an information-theoretical measure of quantum and classical correlations. © 2016 American Physical Society.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: Article
Publishing status: publishedVersion
Issue Date: 2016
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 119 70.41%
2 image of flag of United States United States 23 13.61%
3 image of flag of China China 16 9.47%
4 image of flag of No geo information available No geo information available 4 2.37%
5 image of flag of France France 2 1.18%
6 image of flag of Taiwan Taiwan 1 0.59%
7 image of flag of Netherlands Netherlands 1 0.59%
8 image of flag of Italy Italy 1 0.59%
9 image of flag of Czech Republic Czech Republic 1 0.59%
10 image of flag of Congo, The Democratic Republic of the Congo, The Democratic Republic of the 1 0.59%

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