2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/222781We report on the experimental observation of dynamic localization of a Bose-Einstein condensate in a shaken optical lattice, both for sinusoidal and square-wave forcing. The formulation of this effect in terms of a quasienergy band collapse, backed by the excellent agreement of the observed collapse points with the theoretical predictions, suggests the feasibility of systematic quasienergy band engineering.7 pages, 4 figuresOther Condensed Mattertext