Toward a statistical thermodynamics of steady states

Mark E. Tuckerman, Christopher J. Mundy, Michael L. Klein

Research output: Contribution to journalArticlepeer-review


The rate of change of the entropy S and free energy A with respect to time for a nonequilibrium system in a steady state is considered. A modified Liouville equation is derived to account for the phase space Jacobian arising from nontrivial phase space compression. With due allowance for this factor, the relations S = 0 and A = 0 are obtained, results that are consistent with the assumption of a smooth, differentiable phase space distribution function.

Original languageEnglish (US)
Pages (from-to)2042-2045
Number of pages4
JournalPhysical Review Letters
Issue number11
StatePublished - 1997

ASJC Scopus subject areas

  • General Physics and Astronomy


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