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Modeling of Transient Absorption Spectra in Exciton Charge-Transfer Systems

  • Time-resolved spectroscopy provides the main tool for analyzing the dynamics of excitonic energy transfer in light-harvesting complexes. To infer time-scales and effective coupling parameters from experimental data requires to develop numerical exact theoretical models. The finite duration of the laser-molecule interactions and the reorganization process during the exciton migration affect the location and strength of spectroscopic signals. We show that the non-perturbative hierarchical equations of motion (HEOM) method captures these processes in a model exciton system, including the charge transfer state.
Author:Tobias KramerORCiD, Mirta Rodriguez, Yaroslav Zelinskyi
Document Type:Article
Parent Title (English):Journal of Physical Chemistry B
First Page:463
Last Page:470
Date of first Publication:2017/01/26
ArXiv Id:http://arxiv.org/abs/1811.10683
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