Spectral statistics in an open parametric billiard system
arXiv:cond-mat/0602383 · doi:10.1103/PhysRevE.73.035201
Abstract
We present experimental results on the eigenfrequency statistics of a superconducting, chaotic microwave billiard containing a rotatable obstacle. Deviations of the spectral fluctuations from predictions based on Gaussian orthogonal ensembles of random matrices are found. They are explained by treating the billiard as an open scattering system in which microwave power is coupled in and out via antennas. To study the interaction of the quantum (or wave) system with its environment a highly sensitive parametric correlator is used.
5 pages, 4 figures
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