Hannover 2016 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 6: Posters 1: Novelties in Molecular Physics: Femtosecond Spectroscopy

MO 6.2: Poster

Montag, 29. Februar 2016, 16:30–19:00, Empore Lichthof

Two-dimensional femtosecond optical spectroscopy of trapping dynamics in a charge-transfer process — •Martin Kess and Volker Engel — Institut für Physikalische und Theoretische Chemie, Universität Würzburg, Campus Nord, Emil-Fischer-Str. 42, 97074 Würzburg, Germany

We study charge-transfer dynamics monitored by two-dimensional (2D) optical spectroscopy. The often used model consisting of two coupled diabatic electronic states in a single reaction coordinate is used to demonstrate the relation between the vibronic dynamics and the 2D- spectra. Within the employed wave-function approach, dissipation is included via a quantum-jump algorithm with explicit treatment of dephasing. States with long lifetimes which decay slowly due to the interaction with the environment are identified. Using filtered Fourier transforms it is shown that the population of these trap states can be monitored as a function of energy and time.