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Open Quantum Systems Decoherence Quantum Thermodynamics

Positivity of entropy production for the three-level maser

arXiv

Authors: Alex Arash Sand Kalaee, Andreas Wacker

Year

2020

Paper ID

19872

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

Entropy production is a key concept of thermodynamics and allows one to analyze the operation of engines. For the Scovil-Schulz-DuBois heat engine, the archetypal three-level thermal maser coupled to thermal baths, it was argued that the common definition of heat flow may provide negative entropy production for certain parameters [E. Boukobza and D. J. Tannor, Phys. Rev. Lett. 98, 240601 (2007)]. Here, we show that this can be cured, if corrections for detuning are properly applied to the energies used for the bath transitions. This method can be used more generally for the thermodynamical analysis of optical transitions where the modes of the light field are detuned from the transition energy.

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This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
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Entropy production is a key concept of thermodynamics and allows one to analyze the operation of engines.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2010.08934 [2] arXiv https://arxiv.org/abs/2010.08934 [3] Publisher https://arxiv.org/abs/2010.08934

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