Real space analysis of excitonic interactions and coherence length in helical aggregates

Piryatinski, A and Asher, SA and Mukamel, S (2002) Real space analysis of excitonic interactions and coherence length in helical aggregates. Journal of Physical Chemistry A, 106 (14). 3524 - 3530. ISSN 1089-5639

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Abstract

The effective exciton coherence length in molecular aggregates is calculated using a nonlocal, real-space representation of the linear optical response. Simulations of polarized absorption and linear dichroism demonstrate that the spectra depend on local properties of the molecular aggregate segment where the exciton coherence is delocalized. This allows us to limit the calculations to small segments of a large aggregate, avoiding the complexity of computing long-range coherences.

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Details

Item Type:	Article
Status:	Published
Creators/Authors:	Creators Email Pitt Username ORCID Piryatinski, A Asher, SA asher@pitt.edu ASHER Mukamel, S
Date:	11 April 2002
Date Type:	Publication
Journal or Publication Title:	Journal of Physical Chemistry A
Volume:	106
Number:	14
Page Range:	3524 - 3530
DOI or Unique Handle:	10.1021/jp012849n
Schools and Programs:	Dietrich School of Arts and Sciences > Chemistry
Refereed:	Yes
ISSN:	1089-5639
Date Deposited:	27 Feb 2013 18:48
Last Modified:	02 Feb 2019 16:55
URI:	http://d-scholarship-dev.library.pitt.edu/id/eprint/17377

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