Physics of Nanosystems and NanotechnologyNo Access
SPECTRAL PROPERTIES OF MOLECULAR OLIGOMERS: A NON-MARKOVIAN QUANTUM STATE DIFFUSION APPROACH
https://doi.org/10.1142/S0217979210057201Cited by:12 (Source: Crossref)
Abstract
Absorption spectra of small molecular aggregates (oligomers) are considered. The dipole-dipole interaction between the monomers leads to shifts of the oligomer spectra with respect to the monomer absorption. The line-shapes of monomer as well as oligomer absorption depend strongly on the coupling to vibrational modes. Using a recently developed approach [Roden et al., PRL 103, 058301] we investigate the length dependence of spectra of one-dimensional aggregates for various values of the interaction strength between the monomers. It is demonstrated, that the present approach is well suited to describe the occurrence of the J- and H-bands.
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