Quasi-Eigenstate Evolution in Open Chaotic Billiards

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We experimentally studied evolution of quasi-eigenmodes as classical dynamics undergoing a transition from being regular to chaotic in open quantum billiards. In a deformation-variable microcavity we traced all high-Q cavity modes in a wide range of frequency as the cavity deformation increased. By employing an internal parameter we were able to obtain a mode-dynamics diagram at a given deformation, showing avoided crossings between different mode groups, and could directly observe the coupling strengths induced by ray chaos among encountering modes. We also show that the observed mode-dynamics diagrams reflect the underlying classical ray dynamics in the phase space.
4 pages, 4 figures

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/225628

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0904.0416
 http://arxiv.org/abs/0904.0416

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arXiv