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Master equation for the quasi-incoherent motion of Frenkel excitons

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Zeitschrift für Physik B Condensed Matter

Abstract

Starting from the Haken-Strobl-model for the coupled coherent and incoherent motion of Frenkel excitons, a master equation is derived describing the quasi-incoherent motion of these excitations. In contrast to previous derivations no use is made of special symmetries. Therefore this equation may also describe the energy transfer in materials with non-periodic structure, which play a role in biological systems. The master equation is solved for crystals with one and two molecules in the unit cell, and explicit expressions are given for the case of nearest neighbour interaction too. Furtheron, asymptotic forms of the solutions are discussed.

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Authors and Affiliations

  1. Abteilung für Theoretische Physik I, Universität Ulm, Oberer Eselsberg, D-7900, Ulm, Federal Republic of Germany

    P. Reineker & R. Kühne

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  1. P. Reineker
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  2. R. Kühne
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Reineker, P., Kühne, R. Master equation for the quasi-incoherent motion of Frenkel excitons. Z Physik B 22, 193–199 (1975). https://doi.org/10.1007/BF01322365

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  • DOI: https://doi.org/10.1007/BF01322365

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