2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/180297We couple a neutral scalar field and a Majorana fermion field to Einstein gravity represented by the Robertson-Walker metric and find a class of exact cosmological solutions.General Relativity and Quantum CosmologyAstrophysicsHigh Energy Physics - TheoryAn Exact Cosmological Solution of the Coupled Einstein-Majorana Fermion-Scalar Field Equationstext