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SPECTRAL PROPERTIES OF MOLECULAR OLIGOMERS:: A NON-MARKOVIAN QUANTUM STATE DIFFUSION APPROACH.
- Source :
-
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics . 10/20/2010, Vol. 24 Issue 25/26, p5060-5067. 8p. - Publication Year :
- 2010
-
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. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02179792
- Volume :
- 24
- Issue :
- 25/26
- Database :
- Academic Search Index
- Journal :
- International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 57728154
- Full Text :
- https://doi.org/10.1142/S0217979210057201