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Phys. Rev. Lett. 91, 174102 (2003) [4 pages]

Distribution of Reflection Coefficients in Absorbing Chaotic Microwave Cavities

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R. A. Méndez-Sánchez1, U. Kuhl2, M. Barth2, C. H. Lewenkopf3, and H.-J. Stöckmann2
1Centro de Ciencias Físicas UNAM, A.P. 48-3, 62210, Cuernavaca, Morelos, México
2Fachbereich Physik, Philipps-Universität Marburg, Renthof 5, D-35032 Marburg, Germany
3Instituto de Física, UERJ, R. São Francisco Xavier 524, 20550-900 Rio de Janeiro, Brazil

Received 21 March 2003; published 21 October 2003

The distribution of reflection coefficients P(R) for chaotic microwave cavities with time-reversal symmetry is investigated in different absorption and antenna coupling regimes. For all regimes the agreement between experimental distributions and random-matrix theory predictions is very good, provided both the antenna coupling Ta and the wall absorption strength Tw are taken into account in an appropriate way. These parameters are determined by independent experimental quantities.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.174102
DOI:
10.1103/PhysRevLett.91.174102
PACS:
05.45.Mt, 03.65.Nk, 42.25.Bs, 84.40.Dc