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Dresden 2011 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 15: ISPS Intersectional Poster Session

DY 15.21: Poster

Tuesday, March 15, 2011, 18:00–20:00, P1

Generalized Master Equation Approach to Excitation Transport and Trapping on Networks — •Benjamin Berger and Oliver Mülken — Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, Germany

Due to the recent interest in excitation dynamics in light-harvesting complexes, we present a Generalized Master Equation (GME) Model for coherent and incoherent transport on networks. For small networks, the focus is on the phenomenological incorporation of both, a heat bath causing decoherence and an exciton trap. Under certain conditions the solutions of the usual GME approaches become unphysical because of, say, negative probabilities. Here, we show how one can circumvent these difficulties.

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