Berlin 2005 – scientific programme
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DY: Dynamik und Statistische Physik
DY 13: Quantum Chaos
DY 13.10: Talk
Friday, March 4, 2005, 16:30–16:45, TU H2032
Signatures of Dynamical Tunneling in the Wave function of a Soft-Walled Open Microwave Billiard — •Ulrich Kuhl1, Young-Hee Kim1, Hans-Jürgen Stöckmann1, and Jon Bird2 — 1Fachbereich Physik der Philipps-Universität Marburg, Renthof 5, D-35032 Marburg — 2Department of Electrical Engineering, the University at Buffalo, Buffalo, NY 14260-1920, USA
Evidence for dynamical tunneling is observed in studies of the transmission, and wave functions, of a soft-walled microwave cavity resonator. In contrast to previous work, we identify the conditions for dynamical tunneling by monitoring the evolution of the wave function phase as a function of energy, which allows us to detect the tunneling process even under conditions where its expected level splitting remains irresolvable.