Abstract

The excitation energy transport between the molecules of a dimer and its optical absorption line shape are investigated using a model in which the influence of the phonons is modeled by a dichotomic stochastic process with colored noise giving rise to modulations of the molecular excitation energies. Equations of motion for the density matrix of the system and for correlation functions describing optical absorption are derived and solved algebraically on a computer. Transport properties, optical lineshapes and the connection between both are discussed.KeywordsLine ShapeDensity OperatorColored NoiseOccupation ProbabilityEnergy FluctuationThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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