Journal
PHYSICAL REVIEW E
Volume 87, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevE.87.042123
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Funding
- Polish Ministry of Science and Higher Education [NN 202208238]
- FWO Vlaanderen Project [G040710N]
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Motivated by the recent interest in thermodynamics of micro-and mesoscopic quantum systems we study the maximal amount of work that can be reversibly extracted from a quantum system used to temporarily store energy. Guided by the notion of passivity of a quantum state we show that entangling unitary controls extract in general more work than independent ones. In the limit of a large number of copies one can reach the thermodynamical bound given by the variational principle for the free energy. DOI: 10.1103/PhysRevE.87.042123
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