2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/56037A recently proposed topological mechanism for the quantization of the charge gives the value e_0=\sqrt{\hbar c} for both the fundamental electric and magnetic charges. It is argued that the corresponding fine structure constant α_0=1/4pi could be interpreted as its value at the unification scale.6 pages, no figures, 9 referencesHigh Energy Physics - TheoryThe fine structure constant at the unification scale equal to 1/4pi?text