Phase space compression and entropy of nonequilibrium steady states

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We show that the variational principle of Evans and Baranyai (Phys. Rev. Lett. 67,2597 (1991)] can be derived from a macroscopic entropy definition of nonequilibrium steady states. This definition claims that the entropy of nonequilibrium steady states is the sum of the equilibrium entropy of the system under the same external conditions (fixed internal energy, E, volume, V, and number of particles TV), and an additional term which can be measured by the minimum excess work performed on the system by the external field, Fe, by bringing it from its equilibrium state to the final steady state.

Original languageEnglish
Pages (from-to)7723-7726
Number of pages4
JournalThe Journal of Chemical Physics
Volume105
Issue number17
Publication statusPublished - 1996

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Entropy
entropy
variational principles
internal energy

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Phase space compression and entropy of nonequilibrium steady states. / Baranyai, A.

In: The Journal of Chemical Physics, Vol. 105, No. 17, 1996, p. 7723-7726.

Research output: Contribution to journalArticle

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