2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/115777The two quantizations of QFT,as well as the attempt of unifying it with general relativity,lead us to consider that the internal structure of an elementary fermion must be twofold and composed of three embedded internal (bi)structures which are vacuum and mass (physical) bosonic fields decomposing into packets of pairs of strings behaving like harmonic oscillators characterized by integers mu corresponding to normal modes at mu (algebraic) quanta.50 pagesGeneral PhysicsBrane and string field structure of elementary particlestext