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Entropy production and thermodynamic power of the squeezed thermal reservoir



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Manzano Paule, Gonzalo and Galve, Fernando and Zambrini, Roberta and Rodríguez Parrondo, Juan Manuel (2016) Entropy production and thermodynamic power of the squeezed thermal reservoir. Physical review E, 93 (5). ISSN 2470-0045

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Official URL: http://dx.doi.org/10.1103/PhysRevE.93.052120


We analyze the entropy production and the maximal extractable work from a squeezed thermal reservoir. The nonequilibrium quantum nature of the reservoir induces an entropy transfer with a coherent contribution while modifying its thermal part, allowing work extraction from a single reservoir, as well as great improvements in power and efficiency for quantum heat engines. Introducing a modified quantum Otto cycle, our approach fully characterizes operational regimes forbidden in the standard case, such as refrigeration and work extraction at the same time, accompanied by efficiencies equal to unity.

Item Type:Article
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©2016 American Physical Society.
All authors acknowledge support from COST Action MP1209. G.M. and J.M.R.P. acknowledge funding from MINECO (Grant No. FIS2014-52486-R). F.G. and R.Z. acknowledge funding from MINECO (Grant No. FIS2014-60343-P) and EU project QuProCS (Grant Agreement No. 641277). F.G. acknowledges support from "Vicerectorat d'lnvestigacio i Postgrau" of the UIB and G.M. from FPI Grant No. BES-2012-054025.

Uncontrolled Keywords:Heat engine; Quantum thermodynamics; Systems; Work; Information; Coherence; States; Noise; Model.
Subjects:Sciences > Physics > Nuclear physics
ID Code:38454
Deposited On:14 Jul 2016 16:44
Last Modified:10 Dec 2018 14:57

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