GAUSSIAN ORTHOGONAL ENSEMBLE STATISTICS IN A MICROWAVE STADIUM BILLIARD WITH CHAOTIC DYNAMICS - PORTER-THOMAS DISTRIBUTION AND ALGEBRAIC DECAY OF TIME CORRELATIONS

被引：151
作者：
ALT, H
GRAF, HD
HARNEY, HL
HOFFERBERT, R
LENGELER, H
RICHTER, A
SCHARDT, P
WEIDENMULLER, HA
机构：
[1] MAX PLANCK INST KERNPHYS, D-69029 HEIDELBERG, GERMANY
[2] CERN, DIV AT, CH-1211 GENEVA 23, SWITZERLAND
来源：
PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.74.62
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The complete set of resonance parameters for 950 resonances of a superconducting microwave cavity connected to three antennas has been measured. This cavity simulates the quantum mechanics of a particle in a Bunimovich stadium. The partial widths are found to follow a Porter-Thomas distribution. The Fourier transforms of the S-matrix autocorrelation functions decay algebraically (nonexponentially) in time. These results agree perfectly with the predictions of random-matrix theory. They constitute one of the most stringent tests ever of this expected connection between chaotic dynamics and randommatrix theory. © 1994 The American Physical Society.
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页码：62 / 65
页数：4
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