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Quantum Information Processing

Unified trade-off optimization of quantum Otto heat engines with squeezed thermal reservoirs

  • 01-08-2020
Published in:
Authors
Yanchao Zhang
Juncheng Guo
Jincan Chen
Published in
Quantum Information Processing | Issue 8/2020

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Abstract

We consider a quantum Otto heat engine cycle operating between two squeezed thermal reservoirs that are characterized by a temperature as well as additional parameters that quantify the degree of squeezing. The optimal efficiency at the unified trade-off optimization criterion representing a compromise between energy benefits and losses for a quantum Otto heat engine is systematically investigated. The analytical expressions for the optimal efficiency are determined in the limit adiabatic and nonadiabatic processes as well as in the high- and low-temperature regimes, respectively. The general unified trade-off efficiency is given as a nonequilibrium efficiency that extends the standard unified trade-off efficiency to a more general nonequilibrium condition.

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previous article Improved quantum algorithm for MMSE-based massive MIMO uplink detection
next article A quantum approach to twice-repeated game
Title
Unified trade-off optimization of quantum Otto heat engines with squeezed thermal reservoirs
Authors
Yanchao Zhang
Juncheng Guo
Jincan Chen
Publication date
01-08-2020
Publisher
Springer US
Published in
Quantum Information Processing / Issue 8/2020
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-020-02774-7
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