2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91011The quantum diffusion of a particle in an initially localized state on a cyclic lattice with N sites is studied. Diffusion and reconstruction time are calculated. Strong differences are found for even or odd number of sites and the limit N->infinit is studied. The predictions of the model could be tested with micro - and nanotechnology devices.17 pages, 5 figuresQuantum Physicstext