Monday, November 26, 2012

1211.5357 (A. Eisfeld et al.)

Response to the Comment on "Excitons in Molecular Aggregates with Lévy
Disorder: Anomalous Localization and Exchange Broadening of Optical Spectra"

A. Eisfeld, S. M. Vlaming, S. Möbius, V. A. Malyshev, J. Knoester
In previous work, we have predicted novel effects, such as exchange broadening, anomalous scaling of the localization length and a blue shift of the absorption spectrum with increasing disorder strength, for static disorder models described by stable distributions with stability index {\alpha}<1. The main points of the Comment are that the outliers introduced by heavy tails in the disorder distribution (i) do not lead to deviations from the conventional scaling law for the half width at half maximum (HWHM) of the absorption spectrum and (ii) do not lead to non-universality of the distribution of localization lengths. We show below that the findings reported by us in the Letter are correct and that the wrong conclusions of the Comment arise from focusing on small {\sigma} values.
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