2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27163Deviation of the level correlation function in a mesoscopic metallic sample from the Wigner--Dyson distribution is calculated by using a combination of the renormalization group and non-perturbative treatment. For given spatial dimension the found correction is determined by the sample conductance.4 pages, REVTEXCondensed Mattertext