2017
DOI: 10.12693/aphyspola.132.1672
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Analysis of Missing Level Statistics for Microwave Networks Simulating Quantum Chaotic Graphs Without Time Reversal Symmetry - the Case of Randomly Lost Resonances

Abstract: We present experimental and numerical studies for level statistics in incomplete spectra obtained with microwave networks simulating quantum chaotic graphs with broken time reversal symmetry. We demonstrate that, if resonance frequencies are randomly removed from the spectra, the experimental results for the nearest-neighbor spacing distribution, the spectral rigidity and the average power spectrum are in good agreement with theoretical predictions for incomplete sequences of levels of systems with broken time… Show more

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Cited by 14 publications
(8 citation statements)
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“…It is attainable because both systems are described by the same equations: the one-dimensional Schrödinger equation appearing in quantum graphs is formally equivalent to the telegrapher's equation for microwave networks [13,16]. Microwave networks, as the only ones, allow for the experimental simulation of quantum systems corresponding to all three classical ensembles in the random-matrix theory (RMT): the systems with T invariance belonging to Gaussian orthogonal ensemble (GOE) [13-15, 17, 19] and Gaussian symplectic ensemble (GSE) [20], and the systems without T invariance belonging to Gaussian unitary ensemble (GUE) [13,18,[21][22][23][24].…”
Section: Introductionmentioning
confidence: 99%
“…It is attainable because both systems are described by the same equations: the one-dimensional Schrödinger equation appearing in quantum graphs is formally equivalent to the telegrapher's equation for microwave networks [13,16]. Microwave networks, as the only ones, allow for the experimental simulation of quantum systems corresponding to all three classical ensembles in the random-matrix theory (RMT): the systems with T invariance belonging to Gaussian orthogonal ensemble (GOE) [13-15, 17, 19] and Gaussian symplectic ensemble (GSE) [20], and the systems without T invariance belonging to Gaussian unitary ensemble (GUE) [13,18,[21][22][23][24].…”
Section: Introductionmentioning
confidence: 99%
“…The microwave networks (graphs) simulate quantum graphs 8,9,13 because there is a direct analogy between the telegraph equation describing a microwave network and the Schrödinger equation of the corresponding quantum graph 5,24 . This is the only system which allows for the experimental simulation of quantum systems corresponding to all three classical ensembles in the random-matrix theory (RMT): with T invariance belonging to Gaussian orthogonal ensemble (GOE) 5,17,25,26 and Gaussian symplectic ensemble (GSE) 27 as well as systems without T invariance belonging to Gaussian unitary ensemble (GUE) 5,6,2830 .…”
Section: Introductionmentioning
confidence: 99%
“…The power spectrum and the power law behavior were studied numerically in [56][57][58][59]. The usefulness of the power spectrum in analyzing experimental results was confirmed in [42] -measurements of molecular resonances and in the investigations of microwave networks [36,37,60], and billiards [61].…”
Section: Systemsmentioning
confidence: 99%