Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2010-06-15
Phys. Rev. E 82, 041114 (2010) [12 pages]
Physics
Condensed Matter
Statistical Mechanics
14 pages, 9 figures
Scientific paper
10.1103/PhysRevE.82.041114
Predicting the statistics of realistic wave-chaotic scattering systems requires, in addition to random matrix theory, introduction of system-specific information. This paper investigates experimentally one aspect of system-specific behavior, namely the effects of short ray trajectories in wave-chaotic systems open to outside scattering channels. In particular, we consider ray trajectories of limited length that enter a scattering region through a channel (port) and subsequently exit through a channel (port). We show that a suitably averaged value of the impedance can be computed from these trajectories and that this can improve the ability to describe the statistical properties of the scattering systems. We illustrate and test these points through experiments on a realistic two-port microwave scattering billiard.
Anlage Steven M.
Antonsen Thomas M.
Bradshaw Elliott
Hart James A.
Ott Edward
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