2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18767We study the density-density correlation function of the dense random heteropolymer solutions. We show that a phase transition is possible due to the heterogeneity of polymers. We also show that the critical behavior of the system is described by the O(N) model at N=0.latex with 5 eps figuresSoft Condensed Mattertext