2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183691The observational limits on the present energy density of the Universe allow for a component that redshifts like $1/a^2$ and can contribute significantly to the total. We show that a possible origin for such a contribution is that the universe has a toroidal topology with "wound" scalar fields around its cycles.11 pages, 1figureAstrophysicsHigh Energy Physics - PhenomenologyHigh Energy Physics - Theorytext