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Some distribution functions of the Laguerre ensemble

Y Chen, S M Manning

cond-matarXiv:cond-mat/9605065

Abstract

In this paper we revisit the smallest-eigenvalue distribution of the Laguerre ensembles by presenting in closed form certain integrals obtained previously. With this information we compute, using Dyson's continuum approximation, the two-smallest-eigenvalue distribution of the Laguerre ensemble. High-order contributions to the free energies describing these two probabilities in certain scaling limits or β≠ 2, which can be interpreted in this context as an entropic effect, are found.

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