Multiple scattering of light by atoms in the weak localization regime
Thibaut Jonckheere, Cord A. Mueller, Robin Kaiser, Christian Miniatura, Dominique Delande
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.
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