AA << propose that the trap is a Frenkel exciton state formed much below the main exciton band edge due to an environmentally induced heavy-tailed Lévy disorder. This points to disorder engineering as a new avenue in controlling light-harvesting in molecular ensembles >>
Merdasa A, Jiménez Á, et al. Single
Lévy states-disorder induced energy funnels in molecular aggregates. Nano Lett. 2014 Dec 10;14(12):6774-81. doi: 10.1021/nl5021188. Epub 2014 Nov 7. PubMed PMID:
25349900.
http://pubs.acs.org/doi/abs/10.1021/nl5021188
also
"Frenkel exciton state" in:
https://journals.aps.org/search/
https://arxiv.org/find/all/1/all:+AND+state+AND+Frenkel+exciton/0/1/0/all/0/1