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Berlin 2005 – scientific programme

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DY: Dynamik und Statistische Physik

DY 13: Quantum Chaos

DY 13.9: Talk

Friday, March 4, 2005, 16:15–16:30, TU H2032

A new experimental setup for measuring wave functions in a microwave billiard — •M. Miski-Oglu, B. Dietz, T. Friedrich, H.-D. Gräf, A. Heine, A. Richter, and F. Schäfer — TU Darmstadt, Institut für Kernphysik, Schlossgartenstr. 9, 64289 Darmstadt

A new method for the measurement of field distributions in microwave billiards has been developed. It is based on a well-known perturbation body technique. From the experimentally determined electric field intensity distribution the wave function can be reconstructed. The reconstruction only uses the properties of the Fourier expansion of the wave function. The procedure is equally effective for low lying and highly excited wave functions. The whole set of wave functions up to the 1000th state can be obtained. This allows us to study properties of the nodal lines and nodal domains of a wave function in microwave billiards. This work has been supported by DFG within SFB 634.

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