Role of inhomogeneities in resonance light absorption and luminescence of 
molecular aggregates

Ropakova, I. Yu.; Zvyagin, A. A.

doi:10.1063/10.0016874

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Role of inhomogeneities in resonance light absorption and luminescence of molecular aggregates

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Zvyagin, A. A.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Ropakova, I. Y., & Zvyagin, A. A. (2023). Role of inhomogeneities in resonance light absorption and luminescence of molecular aggregates. Low Temperature Physics, 49(2), 221-227. doi:10.1063/10.0016874.

Cite as: https://hdl.handle.net/21.11116/0000-000D-1444-0

Abstract

Within the linear response theory, we have calculated the resonance absorption of the light and resonance luminescence for the one-dimensional molecular aggregate. We have shown that the randomness of the distribution of signs of the interaction between dipoles of the aggregate dramatically changes the parameters of the absorption and luminescence. In the homogeneous case, the resonance response of the exciton band of the molecular aggregate produces narrow lines at edges of the band. On the other hand, inhomogeneities yield contributions to optical characteristics of all excitons of the band.