Aspects of the Scattering and Impedance Properties of Chaotic Microwave Cavities

• Authors: S. Hemmady , X. Zheng , T Antonsen , E. Ott , S Anlage
• Languages of publication: EN

Abstracts

EN

We consider the statistics of the impedance Z of a chaotic microwave cavity coupled to a single port. We remove the non-universal effects of the coupling from the experimental Z data using the radiation impedance obtained directly from the experiments. We thus obtain the normalized impedance whose probability density function is predicted to be universal in that it depends only on the loss (quality factor) of the cavity. We find that impedance fluctuations decrease with increasing loss. The results apply to scattering measurements on any wave chaotic system.

Keywords

EN

05.45.Mt; 03.65.Nk; 11.55.-m; 03.50.De; 84.40.-x; 84.40.Az

Discipline

• 84.40.Az: Waveguides, transmission lines, striplines
• 11.55.-m: S-matrix theory; analytic structure of amplitudes
• 03.65.Nk: Scattering theory
• 84.40.-x: Radiowave and microwave (including millimeter wave) technology(for microwave, submillimeter wave, and radiowave receivers and detectors, see 07.57.Kp; for microwave and radiowave spectrometers, see 07.57.Pt; for radiowave propagation, see 41.20.Jb)
• 03.50.De: Classical electromagnetism, Maxwell equations(for applied classical electromagnetism, see 41.20.-q)
• 05.45.Mt: Quantum chaos; semiclassical methods

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2006
• Volume: 109
• Issue: 1
• Pages: 65-71

Dates

published

2006-01

received

2005-05-19

Contributors

author

S. Hemmady

• Department of Physics, University of Maryland, College Park, MD 20742-4111 USA
• Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111 USA
• Center for Superconductivity Research, University of Maryland, College Park, MD 20742-4111 USA
• Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111 USA

author

X. Zheng

• Department of Physics, University of Maryland, College Park, MD 20742-4111 USA
• Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111 USA

author

T Antonsen

• Department of Physics, University of Maryland, College Park, MD 20742-4111 USA
• Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111 USA
• Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111 USA

author

E. Ott

• Department of Physics, University of Maryland, College Park, MD 20742-4111 USA
• Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111 USA
• Institute for Research in Electronics and Applied Physics, University of Maryland, College Park, MD 20742-4111 USA

author

S Anlage

• Department of Physics, University of Maryland, College Park, MD 20742-4111 USA
• Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742-4111 USA
• Center for Superconductivity Research, University of Maryland, College Park, MD 20742-4111 USA

References

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Identifiers

DOI

10.12693/APhysPolA.109.65