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  The influence of geometry on the vibronic spectra of quantum aggregates

Eisfeld, A., Schulz, G., & Briggs, J. (2011). The influence of geometry on the vibronic spectra of quantum aggregates. Journal of Luminescence, 131(12), 2555-2564.

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Eisfeld, A.1, Author           
Schulz, G., Author
Briggs, J., Author
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1Max Planck Institute for the Physics of Complex Systems, Max Planck Society, ou_2117288              

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 MPIPKS: YB 2012
 Abstract: A study is presented of the localisation of excitonic states on extended molecular aggregates composed of identical monomers arising, not from disorder due to statistical energy shifts of the monomers, induced by environmental interactions (Anderson localisation), but rather simply due to changes in the orientation and geometrical arrangement of the transition dipoles. It is shown further that such small changes nevertheless can have a drastic effect on the shape of the vibronic spectrum of the aggregate. The vibronic spectra are calculated using the 'coherent exciton scattering' (CES) approximation whose derivation we generalise to be applicable to aggregates of arbitrary size and geometry. (C) 2011 Elsevier B.V. All rights reserved.

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 Dates: 2011-12
 Publication Status: Issued
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 Identifiers: eDoc: 608116
ISI: 000294877500021
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Title: Journal of Luminescence
Source Genre: Journal
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Pages: - Volume / Issue: 131 (12) Sequence Number: - Start / End Page: 2555 - 2564 Identifier: ISSN: 0022-2313