Stuttgart 2012 – scientific programme
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A: Fachverband Atomphysik
A 22: Poster: Interaction with strong or short laser pulses
A 22.5: Poster
Tuesday, March 13, 2012, 16:30–19:00, Poster.V
Electron emission from H2+ in circularly polarized strong fields including nuclear motion or full electronic coordinate space — •Myroslav Zapukhlyak1, Jost Henkel1,2, and Manfred Lein1 — 1Institut für Theoretische Physik and Centre for Quantum Engineering and Space-Time Research (QUEST), Leibniz Universität Hannover, Appelstraße 2, 30167 Hannover, Germany — 2Institut für Physikalische und Theoretische Chemie and Röntgen Research Center for Complex Material Systems, Am Hubland, 97074 Würzburg, Germany
Inspired by recent work on strong field ionization of H2+ [Odenweller et al., PRL 107, 143004 (2011)] we show new quantum mechanical calculations on this molecular system in circularly polarized laser pulses. We extend previous calculations by including nuclear motion on the one hand and full three-dimensional electronic motion on the other hand. By doing so, we explore the coupled nuclear-electronic dynamics to find the most contributing nuclear distance. Regarding the anisotropy of electron emission from the fixed-in-space molecular ion, we gain additional information from the lateral width of the electronic momentum distribution, which gives depletion-insensitive information about system and laser pulse.