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Wave chaos techniques to analyze a modeled reverberation chamber

Abstract : A Reverberation Chamber (RC) is analyzed with techniques issued from the wave chaos domain. The first 200 modes are determined numerically: their cumulated number is separated into a smooth part, predicted by the Weyl formula, and an oscillating part, interpreted in term of periodic orbits. The technique of the nearest-neighbor spacing distribution is also presented, showing the signature of chaos. Eigenfield distributions are examined for two RC geometries and compared to the Gaussian ideal case. Finally, the notion of avoided crossing is illustrated for an almost chaotic RC, leading to a statement for frequency sweeps induced by the stirrer displacement. To cite this article: G. Orjubin et al., C R. Physique 10 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
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Gerard Orjubin, Elodie Richalot, Odile Picon, Olivier Legrand. Wave chaos techniques to analyze a modeled reverberation chamber. Comptes Rendus. Physique, Académie des sciences (Paris), 2009, 10 (1), pp.42--53. ⟨10.1016/j.crhy.2009.01.001⟩. ⟨hal-00692944⟩



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