The k-Point Random Matrix Kernels Obtained from One-Point Supermatrix Models

Details The k-Point Random Matrix Kernels Obtained from One-Point Supermatrix Models The k-Point Random Matrix Kernels Obtained from One-Point Supermatrix Models

2004-02-09

arxiv.org/abs/math-ph/0402018v1

Journal of Physics A, 37, p. 2331 (2004)

Physics

Mathematical Physics

Scientific paper

10.1088/0305-4470/37/6/024

The k-point correlation functions of the Gaussian Random Matrix Ensembles are certain determinants of functions which depend on only two arguments. They are referred to as kernels, since they are the building blocks of all correlations. We show that the kernels are obtained, for arbitrary level number, directly from supermatrix models for one-point functions. More precisely, the generating functions of the one-point functions are equivalent to the kernels. This is surprising, because it implies that already the one-point generating function holds essential information about the k-point correlations. This also establishes a link to the averaged ratios of spectral determinants, i.e. of characteristic polynomials.

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