Excitation energy transfer dynamics in nonperiodic molecular systems

Volkhard May

Physica A: Statistical Mechanics and its Applications, 1988, vol. 152, issue 1, 127-144

Abstract: The nonequilibrium Green's function (NGF) technique is extended to the derivation of a generalized master equation for the description of energy transfer dynamics within an ensemble of two-level molecules. The use of the localized representation of intramolecular excitations requires some formal manipulations different from the standard procedures within the NGF technique. Noting the possible fast oscillatory time dependence of the off-diagonal density matrix of intramolecular excitations, a non-Markovian version of the generalized master equation is derived from Dyson's equation for the NGF.

Date: 1988
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:152:y:1988:i:1:p:127-144

DOI: 10.1016/0378-4371(88)90068-4

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