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Regensburg 2007 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 20: Quantum chaos I

DY 20.5: Vortrag

Mittwoch, 28. März 2007, 15:15–15:30, H2

Spectrum, wave functions and effective index of refraction of a circular dielectric billiard — •Stefan Bittner, Barbara Dietz-Pilatus, Thomas Friedrich, Maksim Miski-Oglu, Pedro Oria Iriarte, Achim Richter, and Florian Schäfer — Institut für Kernphysik, Schloßgartenstraße 9, 64289 Darmstadt

The goal of the presented work is to investigate the correctness and precision of effective index of refraction calculations for open dielectric resonators. For this purpose, the spectrum and wave functions of circular dielectric billiards in different geometries were measured with high resolution and the corresponding quantum numbers identified. The general structure of the spectrum and resonance frequencies were compared to the calculations. General agreement was found, but also a high dependence on geometric parameters and perturbations, motivating further investigations and precision measurements.

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