title: Multiple scattering of light by atoms in the weak localization regime
abstract: Coherent backscattering is a multiple scattering interference effect which enhances the diffuse reflection off a disordered sample in the backward direction. Classically, the enhanced intensity is twice the average background under well chosen experimental conditions. We show how the quantum internal structure of atomic scatterers leads to a significantly smaller enhancement. Theoretical results for double scattering in the weak localization regime are presented which confirm recent experimental observations.
authors.affiliation: Laboratoire Kastler Brossel, Universite Pierre et Marie Curie, Tour 12, Etage 1, 4 Place Jussieu, F-75252 Paris Cedex 05, France.
authors.initials: T
authors.lastname: Jonckheere
authors.initials: CA
authors.lastname: Muller
authors.initials: R
authors.lastname: Kaiser
authors.initials: C
authors.lastname: Miniatura
authors.initials: D
authors.lastname: Delande