Parametric Correlations of Phase Shifts and Statistics of Time Delays in Quantum Chaotic Scattering: Crossover between Unitary and Orthogonal Symmetries
Yan V. Fyodorov, Dmitry V. Savin, H. -J. Sommers
Abstract
We analyse universal statistical properties of phase shifts and time delays for open chaotic systems in the crossover regime of partly broken time-reversal invariance. In particular, we find that the distribution of the time delay shows τ-3/2 behavior for weakly open systems of any symmetry.
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