2026-06-28T04:54:33Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/593572023-08-26T16:58:33Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
DomÃnguez-Adame Acosta, Francisco
author
Malyshev, Andrey
author
Rodriguez, A.
2023-06-20T19:10:52Z
2023-06-20T19:10:52Z
2000-02-08
0021-9606
10.1063/1.480876
https://hdl.handle.net/20.500.14352/59357
http://dx.doi.org/10.1063/1.480876
http://scitation.aip.org
We present results of numerical simulations of optical absorption line shape of Frenkel excitons in two-dimensional disordered lattices. Disorder is generated by Gaussian randomness in the molecular positions. The intersite interaction is considered to be of dipole origin, including coupling to far neighbors. Results of simulations are compared with those obtained in the frame of the nearest-neighbor approximation, showing remarkable differences in the absorption line shape. The motional narrowing effect is found to be essentially different from that previously reported for the case of diagonal disorder as well as for that produced by randomness in nearest-neighbor hopping integrals.
eng
Absorption spectra of dipolar Frenkel excitons in two-dimensional lattices with configurational disorder: Long-range interaction and motional narrowing effects
journal article
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Dguez-Adame90libre.pdf
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Dguez-Adame90libre.pdf.txt