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Ergotropic interpretation of entanglement entropy
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Entanglement entropy is one of the most prominent measures in quantum physics. We show that it has an interesting ergotropic interpretation in terms of unitarily extracted work. It determines how much energy one can extract from a source of pure unknown states by applying unitary operations when only local measurements can be performed to characterize this source. Additionally, entanglement entropy sets a limit on the minimal temperature to which these partially characterized states can be cooled down, by using only unitary operations.
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Cited by 1 Pith paper
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Work and entropy of mixing in isolated quantum systems
Mixing entropy is identified with observational entropy, yielding a Landauer-like work-difference bound with an observational temperature, and a resolution of the Gibbs mixing paradox in isolated quantum systems.
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