Some exact correlations in the Dyson Brownian motion model for transitions to the CUE

Details Some exact correlations in the Dyson Brownian motion model for transitions to the CUE Some exact correlations in the Dyson Brownian motion model for transitions to the CUE

1996-03-25

arxiv.org/abs/chao-dyn/9603010v1

Physica A 223 (1996) 365-390

Nonlinear Sciences

Chaotic Dynamics

19 pages, latex, no figures

Scientific paper

The Dyson Brownian motion model for transistions to the CUE is considered. For initial eigenvalue probability density functions corresponding to the COE and CSE, the density-density correlation function between an eigenvalue at position lambda' initially (tau = 0) and an eigenvalue at position lambda for general tau, is calculated. Theoretical predictions for the asymptotic behaviour are verified, and the distribution for the initial rate of change of the eigenvalues is calculated. Also, for initial conditions corresponding to equi-spaced eigenvalues, the n-point equal parameter distribution is computed. The extension of the calculation of these quantities to a multiparameter version of the theory is given.

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