2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/27930We consider the jump in resistance at the melting transition, which is experimentally observed to be constant, independent of magnetic field (vortex density). We present an explanation of this effect based on vortex cuttings, and universalities of the structure factor at the freezing transition (the Hansen-Verlet criterion).SuperconductivitySoft Condensed Mattertext