Darmstadt 2008 – scientific programme
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A: Fachverband Atomphysik
A 16: Atomic Clusters
A 16.8: Talk
Thursday, March 13, 2008, 10:15–10:30, 3D
Semiclassical approach to the dynamics of Gaussian wave packets in a system with a mixed phase space — •Christoph-Marian Goletz1, Frank Grossmann1, and Steven Tomsovic2 — 1TU Dresden, Germany — 2WSU, Pullman, USA
The 2D coupled quartic oscillator is a convenient system for the analysis of mixed dynamics [1]. Using the semiclassical method according to Herman and Kluk [2] we examine the dynamics of a Gaussian wave packet originating in different regions of the phase space. We show that this propagation method is applicable to a wave packet starting in the regular region, at the border of a chaotic and regular region or, to some degree, in the chaotic region.
[1] O. Bohigas, S. Tomsovic and D. Ullmo, Phys. Rep., 223, p. 43, 1993
[2] M. F. Herman and E. Kluk, Chem. Phys., 91, p. 27, 1984