IMPLICATION OF BARRIER FLUCTUATIONS ON THE RATE OF WEAKLY ADIABATIC ELECTRON TRANSFER

Bartłomiej Dybiec (), Ewa Gudowska-Nowak () and Paweł F. Góra ()
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Bartłomiej Dybiec: M. Smoluchowski Institute of Physics, Jagellonian University, ul. Reymonta 4, 30–059 Kraków, Poland
Ewa Gudowska-Nowak: M. Smoluchowski Institute of Physics, Jagellonian University, ul. Reymonta 4, 30–059 Kraków, Poland
Paweł F. Góra: M. Smoluchowski Institute of Physics, Jagellonian University, ul. Reymonta 4, 30–059 Kraków, Poland

International Journal of Modern Physics C (IJMPC), 2002, vol. 13, issue 09, 1211-1222

Abstract: 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. For the weakly-adiabatic reactions, the reaction follows an adiabaticity criterion in the presence of a sharp barrier. In contrast to the nonadiabatic 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.

Keywords: Kinetic rate; escape time; numerical evaluation of the resonant activation (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1142/S0129183102004078

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