2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/177388We propose a novel formalism for inflation from a 5D vacuum state which could explain both, seeds of matter and magnetic fields in the early universe.final version (figure included)General Relativity and Quantum CosmologyGravitoelectromagnetic inflation from a 5D vacuum state: a new formalismtext