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Quantum Carnot Bound from Petz Recovery Maps
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DOI：10.1002/apxr.202500060.png)
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Abstract
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In this work, a quantum bound is derived for the efficiency of a heat engine operating with two-level quantum systems as the working substance. This bound is found by using the extension of the monotonicity of quantum relative entropy in terms of Petz recovery maps.
Keywords:
Petz recovery maps
quantum Carnot bound
quantum thermodynamics
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