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nlin.CD2020★ 18 cited
Power spectrum and form factor in random diagonal matrices and integrable billiards
Roman Riser, Eugene Kanzieper
Triggered by a controversy surrounding a universal behaviour of the power spectrum in quantum systems exhibiting regular classical dynamics, we focus on a model of random diagonal…
nlin.CD2017★ 41 cited
Power Spectrum of Long Eigenlevel Sequences in Quantum Chaotic Systems
Roman Riser, Vladimir Al. Osipov, Eugene Kanzieper
We present a non-perturbative analysis of the power-spectrum of energy level fluctuations in fully chaotic quantum structures. Focussing on systems with broken time-reversal symmet…