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Quantum caloric effects
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DOI：10.1088/2058-9565/adcf47.png)
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Abstract
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Quantum thermodynamics aims to explore quantum features to enhance energy conversion beyond classical limits. While significant progress has been made, the understanding of caloric potentials in quantum systems remains incomplete. In this context, this study focuses on deriving general expressions for these caloric potentials, by developing a quantum Maxwell relationship obtained from a thermal average form of the Ehrenfest theorem. Our results recover the classical cases and also reveal that the isothermal entropy change can be related to genuine quantum correlations in the system. Thus, this work aims to contribute to the understanding of the caloric behavior of quantum systems and their potential implication in caloric devices.
Keywords:
caloric effects
quantum thermodynamics
caloric potentials
magnetocaloric effect
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5
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1.4K
Citations:
5.1K
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