Experimental test of the Rosenzweig-Porter model for the transition from Poisson to Gaussian unitary ensemble statistics

X Zhang, W Zhang, J Che, B Dietz - Physical Review E, 2023 - APS
We report on an experimental investigation of the transition of a quantum system with
integrable classical dynamics to one with violated time-reversal (T) invariance and chaotic …

Quantum signatures of chaos in relativistic quantum billiards with shapes of circle-and ellipse-sectors

P Yu, W Zhang, B Dietz, L Huang - Journal of Physics A …, 2022 - iopscience.iop.org
Abstract According to the Berry–Tabor conjecture, the spectral properties of typical
nonrelativistic quantum systems with an integrable classical counterpart agree with those of …

Intermediate statistics in singular quarter-ellipse shaped microwave billiards

B Dietz, A Richter - Journal of Physics A: Mathematical and …, 2022 - iopscience.iop.org
We report on experiments with a flat, superconducting microwave billiard with the shape of a
quarter ellipse simulating a singular billiard, that is, a quantum billiard containing zero-range …

Experimental test of an extension of the Rosenzweig–Porter model to mixed integrable-chaotic systems experiencing time-reversal invariance violation

X Zhang, J Che, B Dietz - Chinese Physics B, 2024 - iopscience.iop.org
Experimental test of an extension of the Rosenzweig–Porter model to mixed integrable-chaotic
systems experiencing time-reversal invariance violation - IOPscience Skip to content IOP …

Experimental study of closed and open microwave waveguide graphs with preserved and partially violated time-reversal invariance

W Zhang, X Zhang, J Che, J Lu, M Miski-Oglu, B Dietz - Physical Review E, 2022 - APS
We report on experiments that were performed with microwave waveguide systems and
demonstrate that in the frequency range of a single transversal mode they may serve as a …

Billiards detection and tracking technology based on artificial intelligence algorithm

H Pan - 2023 2nd International Conference on 3D Immersion …, 2023 - ieeexplore.ieee.org
Under the current trend of automation development, in view of the fact that billiards requires
a special person to fetch the ball, the tedious labor of putting the ball has also been …

[PDF][PDF] A class of 2 X 2 correlated random-matrix models with Brody spacing distribution

J Sakhr - arXiv preprint arXiv:2308.01514, 2023 - researchgate.net
A class of 2× 2 random-matrix models is introduced for which the Brody distribution is the
exact eigenvalue spacing distribution. The matrix elements are linear combinations of an …

Perspectives on relativistic quantum chaos

L Huang, YC Lai - Communications in Theoretical Physics, 2020 - iopscience.iop.org
Quantum Chaos has been investigated for about a half century. It is an old yet vigorous
interdisciplinary field with new concepts and interesting topics emerging constantly. Recent …