2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42848The evolution of moduli fields, which naturally appear in higher dimensional models such as brane worlds, and their effects on the anisotropies of the cosmological microwave background radiation is discussed.5 pages, 4 figures; contribution to the proceedings of the Marseille conference "Where cosmology and fundamental physics meet"High Energy Physics - PhenomenologyAstrophysicsHigh Energy Physics - Theorytext