The Kawasaki identity and the Fluctuation Theorem

Carberry, D. M.; Williams, S. R.; Wang, G. M.; Sevick, E. M.; Evans, Denis J.

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The Kawasaki identity and the Fluctuation Theorem

Date

2004-11-01

Authors

Carberry, D. M.

Williams, S. R.

Wang, G. M.

Sevick, E. M.

Evans, Denis J.

Publisher

American Institute of Physics

Abstract

In this paper we show that the Fluctuation Theorem of Evans and Searles [D. J. Evans, D. J. Searles, Phys. Rev. E 50, 1645 (1994)] implies that the Kawasaki function <exp(−Ωt)> is unity for all time t. We confirm this relationship using experimental data obtained using optical tweezers, and show that the Kawasaki function is a valuable diagnostic tool.