Spin quantum heat engines with shortcuts to adiabaticity.
TL;DR: In this article, the authors considered a finite-time quantum Otto cycle with single and two spin-1/2 systems as its working medium and employed a shortcut-to-adiabaticity technique and evaluated the performance of the engine including the cost of the shortcut.
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Abstract: We consider a finite-time quantum Otto cycle with single- and two spin-1/2 systems as its working medium. To mimic adiabatic dynamics at a finite time, we employ a shortcut-to-adiabaticity technique and evaluate the performance of the engine including the cost of the shortcut. We compare our results with the true adiabatic and nonadiabatic performances of the same cycle. Our findings indicate that the use of the shortcut-to-adiabaticity scheme significantly enhances the performance of the quantum Otto engine as compared to its adiabatic and nonadiabatic counterparts for different figures of merit.
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Citations
Shortcuts to adiabaticity: Concepts, methods, and applications
David Guéry-Odelin,Andreas Ruschhaupt,Anthony Kiely,E. Torrontegui,S. Martínez-Garaot,J. G. Muga +5 more
TL;DR: Shortcuts to adiabaticity (STA) as mentioned in this paper is a systematic approach to accomplish the same final state transfer in a faster manner, which is used for atomic and molecular physics.
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Quantum Thermodynamics
Sai Vinjanampathy,Janet Anders +1 more
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TL;DR: The experimental realization of a single-atom heat engine is reported, demonstrating that thermal machines can be reduced to the limit of single atoms.
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TL;DR: In this paper, an overview of the interplay between quantum information theory and thermodynamics of quantum systems is presented. But this is not a comprehensive review of the diverse field of quantum thermodynamics; rather, it is a convenient entry point for the thermo-curious information theorist.