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DPG

Stuttgart 2012 – scientific programme

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A: Fachverband Atomphysik

A 10: Interaction with strong or short laser pulses II

A 10.2: Talk

Monday, March 12, 2012, 16:45–17:00, V55.01

Complete dynamics of H2+ in strong laser fields — •Michael Fischer1,2, Jan Handt1, Sebastian Krause3, Jan-Michael Rost2, Frank Grossmann1, and Rüdiger Schmidt11Institut für Theoretische Physik, Technische Universitaet Dresden, D-01062 Dresden, Germany — 2Max Planck Institute for the Physics of Complex Systems, Noethnitzer Strasse 38, D-01187 Dresden, Germany — 3Institute for Theoretical Physics, University of Bremen, Otto-Hahn-Allee, D-28359 Bremen

We present a complete study of the strong field dynamics of H2+, i.e. including all nuclear and electronic degrees of freedom as well as dissociation and ionization, based on a mixed quantum-classical treatment. We find that full-dimensional calculations are necessary to obtain qualitatively correct results for angularly resolved as well as for angularly integrated fragmentation probability densities respectively probabilities. Complementing recent results for the dissociation, we work out in detail the effect of nuclear rotation on ionization. It is found, that rotation generally increases the ionization probability, even up to an order of magnitude, due to dynamical alignment.

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