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Mainz 2017 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 16: Posters 3: Experimental Techniques and Theoretical Approaches

MO 16.18: Poster

Donnerstag, 9. März 2017, 17:00–19:00, P OG1

Transient wavepacket dynamics in excited-state potentialsMarkus Gühr and •Carsten Henkel — Universität Potsdam

Time dependent wavepacket dynamics driven by short laser pulses can be simulated in two different ways. First, the static eigenstates of the system can be superposed with a spectral phase given by the excitation pulse. Second, a given static wavepacket can be propagated in the system’s potential by solving the time-dependent Schrödinger equation.

Using molecular vibrational wavepackets, we illustrate that the two methods may deliver slightly different results at small propagation times and give an intuitive explanation based on causality. We point towards methods to verify the short-scale dynamics experimentally.

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