paper

Systematic Analytical Approach to Correlation Functions of Resonances in Quantum Chaotic Scattering

arXiv:cond-mat/9903043 · doi:10.1103/PhysRevLett.83.65

Abstract

We solve the problem of resonance statistics in systems with broken time-reversal invariance by deriving the joint probability density of all resonances in the framework of a random matrix approach and calculating explicitly all n-point correlation functions in the complex plane. As a by-product, we establish the Ginibre-like statistics of resonances for many open channels. Our method is a combination of Itzykson-Zuber integration and a variant of nonlinear model and can be applied when the use of orthogonal polynomials is problematic.

4 pages, no figures. Misprints corrected, some details on single-channel and many-channel cases are added

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