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Implication Of Barrier Fluctuations On The Rate Of Weakly Adiabatic Electron Transfer

Author

Listed:
  • 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)

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.

Suggested Citation

  • Bartłomiej Dybiec & Ewa Gudowska-Nowak & Paweł F. Góra, 2002. "Implication Of Barrier Fluctuations On The Rate Of Weakly Adiabatic Electron Transfer," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 13(09), pages 1211-1222.
    • Handle: RePEc:wsi:ijmpcx:v:13:y:2002:i:09:n:s0129183102004078
    DOI: 10.1142/S0129183102004078
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