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Regensburg 2010 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 6: Poster Session I

DY 6.39: Poster

Monday, March 22, 2010, 16:00–18:00, Poster B2

Reappearance of Flooded Regular States in Open Quantum Systems with a Mixed Phase SpaceArnd Bäcker1, •Lars Bittrich1, Roland Ketzmerick1, Ulrich Kuhl2, and Hans-Jürgen Stöckmann21Institut für Theoretische Physik, Technische Universität Dresden, 01062 Germany — 2Fachbereich Physik, Philipps-Universität Marburg, Renthof 5, 35032 Marburg, Germany

For closed systems with a mixed phase space, it was shown that quantum mechanically flooding of regular islands may occur. This happens when the Heisenberg time is larger than the tunneling time from the regular region to the chaotic sea. In this case the regular eigenstates disappear. For open systems we investigate the phenomenon of flooding and disappearance of regular states, where the escape time occurs as an additional time scale. We discuss the reappearance of regular states in the case of strongly open systems. This is demonstrated numerically for quantum maps and experimentally for a mushroom shaped microwave resonator.

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