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Issue 24, 2015
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Temperature-dependent energy levels and size-independent thermodynamics

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Abstract

We show that, by properly adopting the notion of temperature-dependent energy levels, the standard tools of differential thermodynamics can be used for a consistent thermostatistical description irrespective of system size. In this framework the paradigmatic (yet not always descriptive) large-system limit is no longer a necessary assumption for differential thermodynamics. We present a generalized relation between temperature and internal energy which extends thermodynamics all the way to isolated quantum systems.

Graphical abstract: Temperature-dependent energy levels and size-independent thermodynamics

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Article information


Submitted
21 Apr 2015
Accepted
18 May 2015
First published
18 May 2015

Phys. Chem. Chem. Phys., 2015,17, 15691-15693
Article type
Communication
Author version available

Temperature-dependent energy levels and size-independent thermodynamics

R. de Miguel, Phys. Chem. Chem. Phys., 2015, 17, 15691
DOI: 10.1039/C5CP02332G

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