Work and heat for two-level systems in dissipative environments: Strong driving and non-Markovian dynamics

Work, moments of work, and heat flux are studied for the generic case of a strongly driven two-level system immersed in a bosonic heat bath in domains of parameter space where perturbative treatments fail. This includes in particular the interplay between non-Markovian dynamics and moderate to stron...

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Bibliographic Details
Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2015-06, Vol.91 (22), Article 224303
Main Authors: Schmidt, R., Carusela, M. F., Pekola, J. P., Suomela, S., Ankerhold, J.
Format: Article
Language:English
Subjects:
Condensed matter
Correlation
Dissipation
Dynamical systems
Dynamics
Heat flux
Heat transfer
Solid state devices
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Summary:Work, moments of work, and heat flux are studied for the generic case of a strongly driven two-level system immersed in a bosonic heat bath in domains of parameter space where perturbative treatments fail. This includes in particular the interplay between non-Markovian dynamics and moderate to strong external driving. Exact data are compared with predictions from weak-coupling approaches. Further, the role of system-bath correlations in the initial thermal state and their impact on the heat flux are addressed. The relevance of these results for current experimental activities on solid-state devices is discussed.
ISSN:1098-0121
1550-235X
DOI:10.1103/PhysRevB.91.224303