title: Localization of matter waves in two-dimensional disordered optical potentials.
abstract: We consider ultracold atoms in 2D disordered optical potentials and calculate microscopic quantities characterizing matter wave quantum transport in the noninteracting regime. We derive the diffusion constant as a function of all relevant microscopic parameters and show that coherent multiple scattering induces significant weak localization effects. In particular, we find that even the strong localization regime is accessible with current experimental techniques and calculate the corresponding localization length.
authors.affiliation: Physikalisches Institut, Universität Bayreuth, D-95440 Bayreuth, Germany.
authors.forename: R C
authors.initials: RC
authors.lastname: Kuhn
authors.forename: C
authors.initials: C
authors.lastname: Miniatura
authors.forename: D
authors.initials: D
authors.lastname: Delande
authors.forename: O
authors.initials: O
authors.lastname: Sigwarth
authors.forename: C A
authors.initials: CA
authors.lastname: Müller