Dresden 2011 – wissenschaftliches Programm
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A: Fachverband Atomphysik
A 26: Poster III
A 26.35: Poster
Donnerstag, 17. März 2011, 16:00–18:30, P2
High Harmonic Generation for Pedestrians — •Carlos Zagoya1, Christoph-Marian Goletz2, Frank Grossmann2, and Jan-Michael Rost1 — 1Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Str. 38, D-01187 Dresden, Germany — 2Institut für Theoretische Physik, Technische Universität Dresden, D-01062 Dresden, Germany
Using the idea of the strong field approximation together with the semiclassical Herman-Kluk propagator [1], we are able to observe the main features of high harmonic generation (HHG) in a one-dimensional one-electron atom under the influence of a strong laser field by using a simplified classical dynamics. It is shown that only few percent of the trajectories needed in full semiclassical calculations are sufficient in the strong field approach due to the fact that chaotic dynamics induced by the laser field is not present.
This work is in part supported by the DFG through grant GR 1210/4-2
[1] M. F. Herman and E. Kluk, Chem. Phys. 91, 27 (1984)