2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/175222In a recent paper, Liddle and Urena-Lopez suggested that to have a unified model of inflation and dark matter is imperative to have a proper reheating process where part of the inflaton field remains. In this paper I propose a model where this is possible. I found that, incorporating the effect of plasma masses generated by the inflaton products, enable us to stop the process. A numerical estimated model is presented.4 pages, 1 figureAstrophysicsGeneral Relativity and Quantum Cosmologytext