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Article Dans Une Revue Physical Review A : Atomic, molecular, and optical physics [1990-2015] Année : 2005

Multiple scattering of photons by atomic hyperfine multiplets

Résumé

Mesoscopic interference effects in multiple scattering of photons depend crucially on the internal structure of the scatterers. In the present article, we develop the analytical theory of multiple photon scattering by cold atoms with arbitrary internal hyperfine multiplets. For a specific application, we calculate the enhancement factor of elastic coherent backscattering as a function of detuning from an entire hyperfine multiplet of neighboring resonances that cannot be considered isolated. Our theory permits to understand why atoms behave differently from classical Rayleigh point-dipole scatterers, and how the classical description is recovered for larger but still microscopic objects like molecules or clusters.

Dates et versions

hal-00012698 , version 1 (26-10-2005)

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Cord A. Mueller, Christian Miniatura, David Wilkowski, Robin Kaiser, Dominique Delande. Multiple scattering of photons by atomic hyperfine multiplets. Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2005, 72, pp.053405. ⟨10.1103/PhysRevA.72.053405⟩. ⟨hal-00012698⟩
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