Implication of Barrier Fluctuations on the Rate of Weakly Adiabatic Electron Transfer

Details Implication of Barrier Fluctuations on the Rate of Weakly Adiabatic Electron Transfer Implication of Barrier Fluctuations on the Rate of Weakly Adiabatic Electron Transfer

2002-06-27

arxiv.org/abs/cond-mat/0206550v2

Int. J. Mod. Phys. C 13(9), 1211 (2002).

Physics

Condensed Matter

Statistical Mechanics

RevTeX 4, 14 pages, 3 figures. To be printed in IJMP C. References corrected and updated

Scientific paper

10.1142/S0129183102004078

The problem of escape of a Brownian particle in a cusp-shaped metastable potential is of special importance in nonadiabatic and weakly-adiabatic rate theory for electron transfer (ET) reactions. Especially, for the weakly-adiabatic reactions, the reaction follows an adiabaticity criterion in the presence of a sharp barrier. In contrast to the non-adiabatic case, the ET kinetics can be, however considerably influenced by the medium dynamics. In this paper, the problem of the escape time over a dichotomously fluctuating cusp barrier is discussed with its relevance to the high temperature ET reactions in condensed media.

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