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ABSTRACT:
SUBMITTER: Nakagawa YO
PROVIDER: S-EPMC5915398 | biostudies-literature | 2018 Apr
REPOSITORIES: biostudies-literature
Nature communications 20180424 1
A pure quantum state can fully describe thermal equilibrium as long as one focuses on local observables. The thermodynamic entropy can also be recovered as the entanglement entropy of small subsystems. When the size of the subsystem increases, however, quantum correlations break the correspondence and mandate a correction to this simple volume law. The elucidation of the size dependence of the entanglement entropy is thus essentially important in linking quantum physics with thermodynamics. Here ...[more]