2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17889We apply the Coherent Potential Approximation (CPA) to an extended Hubbard model to describe disordered superconductors with d-wave pairing. We discuss the pair-breaking effect caused by non-magneticdisorder in presence of Van Hove Singularity.5 pages, 2 figuresSuperconductivitytext