2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/10517The fluctuations of the vacuum energy are treated as a non-equilibrium process and a stochastic model for the cosmological constant is presented, which yields a natural explanation for the smallness or zero value of the constant in the present epoch and its large value in an era of inflation in the early universe.7 pages RevtexAstrophysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theorytext