title: Quantum diffusion on a cyclic one-dimensional lattice.
abstract: The 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--> infinity is studied. The predictions of the model could be tested with microtechnology and nanotechnology devices.
authors.affiliation: Departamento de Física, Universidad Nacional de Mar del Plata, Funes 3350, 7600 Mar del Plata, Argentina. dltorre@mdp.edu.ar
authors.forename: A C
authors.initials: AC
authors.lastname: de la Torre
authors.forename: H O
authors.initials: HO
authors.lastname: Mártin
authors.forename: D
authors.initials: D
authors.lastname: Goyeneche