2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/24010We discuss mixing/segregation phenomena in a schematic hard spheres lattice model for binary mixtures of granular media, by analytical evaluation, within Bethe-Peierls approximation, of Edwards' partition function. The presence of fluid-crystal phase transitions in the system drives segregation as a form of phase separation. Within a pure phase, gravity can also induce a kind of vertical segregation not associated to phase transitions.Statistical MechanicsDisordered Systems and Neural Networkstext