Missing-level statistics in classically chaotic quantum systems with symplectic symmetry

J Che, J Lu, X Zhang, B Dietz, G Chai - Physical Review E, 2021 - APS
We present experimental and theoretical results for the fluctuation properties in the
incomplete spectra of quantum systems with symplectic symmetry and a chaotic dynamics in …

Distributions of the Wigner reaction matrix for microwave networks with symplectic symmetry in the presence of absorption

M Ławniczak, A Akhshani, O Farooq, M Białous… - Physical Review E, 2023 - APS
We report on experimental studies of the distribution of the reflection coefficients, and the
imaginary and real parts of Wigner's reaction (K) matrix employing open microwave …

Resonance eigenfunction hypothesis for chaotic systems

K Clauß, MJ Körber, A Bäcker, R Ketzmerick - Physical Review Letters, 2018 - APS
A hypothesis about the average phase-space distribution of resonance eigenfunctions in
chaotic systems with escape through an opening is proposed. Eigenfunctions with decay …

Fluctuation properties of the eigenfrequencies and scattering matrix of closed and open unidirectional graphs with chaotic wave dynamics

J Che, X Zhang, W Zhang, B Dietz, G Chai - Physical Review E, 2022 - APS
We present experimental and numerical results for the fluctuation properties in the
eigenfrequency spectra and of the scattering matrix of closed and open unidirectional …

Wave scattering properties of multiple weakly coupled complex systems

S Ma, B Xiao, Z Drikas, B Addissie, R Hong… - Physical Review E, 2020 - APS
The statistics of the scattering of waves inside single ray-chaotic enclosures have been
successfully described by the random coupling model (RCM). We expand the RCM to …

Closed and open superconducting microwave waveguide networks as a model for quantum graphs

B Dietz, T Klaus, M Masi, M Miski-Oglu, A Richter… - Physical Review E, 2024 - APS
We report on high-precision measurements that were performed with superconducting
waveguide networks with the geometry of a tetrahedral and a honeycomb graph. They …

Statistics of off-diagonal entries of Wigner K-matrix for chaotic wave systems with absorption

SB Fedeli, YV Fyodorov - Journal of Physics A: Mathematical and …, 2020 - iopscience.iop.org
Using the random matrix theory approach we derive explicit distributions of the real and
imaginary parts for off-diagonal entries of the Wigner reaction matrix for wave chaotic …

Experimental investigation of distributions of the off-diagonal elements of the scattering matrix and Wigner's matrix for networks with broken time reversal invariance

M Ławniczak, B van Tiggelen, L Sirko - Physical Review E, 2020 - APS
We present an extensive experimental study of the distributions of the real and imaginary
parts of the off-diagonal elements of the scattering matrix S ̂ and the Wigner's reaction K ̂ …

Electronic transport in chaotic mesoscopic cavities: A Kwant and random matrix theory based exploration

RS Chandramouli, RK Srivastav… - Chaos: An Interdisciplinary …, 2020 - pubs.aip.org
We investigate the spectral fluctuations and electronic transport properties of chaotic
mesoscopic cavities using Kwant, an open source Python programming language based …

Diffuse field cross-correlations: Scattering theory and electromagnetic experiments

M Davy, P Besnier, P Del Hougne, J de Rosny… - Physical Review E, 2021 - APS
The passive estimation of impulse responses from ambient noise correlations arouses
increasing interest in seismology, acoustics, optics, and electromagnetism. Assuming the …