Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2006-06-27
Phys. Rev. E 75, 016217 (2007)
Nonlinear Sciences
Chaotic Dynamics
4 pages, 2 figures
Scientific paper
10.1103/PhysRevE.75.016217
We analyze the decay of classically chaotic quantum systems in the presence of fast ballistic escape routes on the Ehrenfest time scale. For a continuous excitation process, the form factor of the decay cross section deviates from the universal random-matrix result on the Heisenberg time scale, i.e. for times much larger than the time for ballistic escape. We derive an exact analytical description and compare our results with numerical simulations for a dynamical model.
Gorin Thomas
Martinez Dario F.
Schomerus Henning
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