On the relationship between dissipation and the rate of spontaneous entropy production from linear irreversible thermodynamics

Williams, Stephen R., Searles, Debra J. and Evans, Denis J. (2014) On the relationship between dissipation and the rate of spontaneous entropy production from linear irreversible thermodynamics. Molecular Simulation, 40 1-3: 208-217. doi:10.1080/08927022.2013.843175

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Author Williams, Stephen R.
Searles, Debra J.
Evans, Denis J.
Title On the relationship between dissipation and the rate of spontaneous entropy production from linear irreversible thermodynamics
Journal name Molecular Simulation   Check publisher's open access policy
ISSN 0892-7022
1029-0435
Publication date 2014-01
Year available 2013
Sub-type Article (original research)
DOI 10.1080/08927022.2013.843175
Open Access Status File (Author Post-print)
Volume 40
Issue 1-3
Start page 208
End page 217
Total pages 10
Place of publication Oxfordshire, United Kingdom
Publisher Taylor & Francis
Collection year 2014
Language eng
Abstract When systems are far from equilibrium, the temperature, the entropy and the thermodynamic entropy production are not defined and the Gibbs entropy does not provide useful information about the physical properties of a system. Furthermore, far from equilibrium, or if the dissipative field changes in time, the spontaneous entropy production of linear irreversible thermodynamics becomes irrelevant. In 2000 we introduced a definition for the dissipation function and showed that for systems of arbitrary size, arbitrarily near or far from equilibrium, the time integral of the ensemble average of this quantity can never decrease. In the low-field limit, its ensemble average becomes equal to the spontaneous entropy production of linear irreversible thermodynamics. We discuss how these quantities are related and why one should use dissipation rather than entropy or entropy production for non-equilibrium systems.
Keyword Fluctuation theorem
Linear irreversible thermodynamics
Non-equilibrium
Statistical mechanics
Dissipation
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online: 24 December 2013.

 
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