title: Rayleigh scattering and atomic dynamics in dissipative optical lattices.
abstract: We investigate Rayleigh scattering in dissipative optical lattices. In particular, following recent proposals [S. Guibal, Phys. Rev. Lett. 78, 4709 (1997)]; C. Jurczak, Phys. Rev. Lett. 77, 1727 (1996)]], we study whether the Rayleigh resonance originates from the diffraction on a density grating and is therefore a probe of transport of atoms in optical lattices. It turns out that this is not the case: the Rayleigh line is instead a measure of the cooling rate, while spatial diffusion contributes to the scattering spectrum with a much broader resonance.
authors.affiliation: Laboratoire Kastler Brossel, Département de Physique de l'Ecole Normale Supérieure, 24 rue Lhomond, 75231, Paris Cedex 05, France.
authors.forename: F R
authors.initials: FR
authors.lastname: Carminati
authors.forename: L
authors.initials: L
authors.lastname: Sanchez-Palencia
authors.forename: M
authors.initials: M
authors.lastname: Schiavoni
authors.forename: F
authors.initials: F
authors.lastname: Renzoni
authors.forename: G
authors.initials: G
authors.lastname: Grynberg