Heidelberg 2015 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 11: Posters 2: Novelties in Molecular Physics

MO 11.5: Poster

Dienstag, 24. März 2015, 17:00–19:00, C/Foyer

Laser control of exciton localization in perturbed molecular aggregates — •Johannes Wehner, Christoph Brüning, Julian Hausner, and Volker Engel — Institut für Physikalische und Theoretische Chemie, Emil-Fischer-Str. 42, Universität Würzburg, 97074 Würzburg, Germany

A site specific perturbation of a photo-excited molecular aggregate can lead to a localization of the excitonic energy on the site where the perturbation acts. We investigate such localization dynamics in linear and cyclic aggregates. Vibronic eigenstates or wave packets in the excited state manifold can be prepared by using different excitation pulses. This selective excitation has a significant influence on the localization of excitons.