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quant-ph2025
Statistical analysis of level spacing ratios in pseudo-integrable systems: semi-Poisson insight and beyond
Afshin Akhshani, MaÅgorzata BiaÅous, Leszek Sirko
We studied the statistical properties of a quantum system in the pseudo-integrable regime through the gap ratios between consecutive energy levels of the scattering spectra. A two-…
quant-ph2025
Families of isospectral and isoscattering quantum graphs
Pavel Kurasov, Omer Farooq, MichaÅ Åawniczak +4
A concept of germ graphs and the M-function formalism are employed to construct large families of isospectral and isoscattering graphs. This approach represents a complete departur…
quant-ph2024
Coupled unidirectional chaotic microwave graphs
Omer Farooq, Afshin Akhshani, MichaÅ Åawniczak +2
We investigate experimentally the undirected open microwave network with internal absorption composed of two coupled directed halves, unidirectional networks and $Î…