2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/136610We study the dynamics of a vortex state nanodisk due to a dc spin current, perpendicular to the disk plane. The irreversible switching of the vortex polarity takes place above some threshold current. The detailed description of these processes is obtained by spin-lattice simulations.REVTeX, 4 pages, 3 figuresStrongly Correlated Electronstext