2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91148We find a set of conditions to achieve complete population transfer, via coherent population trapping, from an initial state to a designated final state at a designated time in a degenerate n-state atom, where the transitions are caused by an external interaction.4 pages, 1 figureQuantum Physicstext