Verification of time-reversibility requirementfor systems satisfying the Evans-Searles fluctuation theorem
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Mittag, Emil
Evans, Denis J.
Williams, Stephen R.
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International Union of Pure and Applied Chemistry
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The Evans-Searles fluctuation theorem (ESFT) has been shown to be applicable in the near- and far-from-equilibrium regimes for systems with both constant and time-dependent external fields. The derivations of the ESFT have assumed that the external field has a definite parity under a time-reversal mapping. In the present paper, we confirm that the time-reversibility of the system dynamics is a necessary condition for the ESFT to hold. The manner in which the ESFT fails for systems that are not time-reversible is presented, and results are shown which demonstrate that systems which fail to satisfy the ESFT may still satisfy the Crooks relation (CR).
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Pure and Applied Chemistry
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