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|Title:||Multiple scattering of light in cold atomic clouds in a magnetic field|
|Citation:||Sigwarth, O., Labeyrie, G., Delande, D., Miniatura, C. (2013-09-17). Multiple scattering of light in cold atomic clouds in a magnetic field. Physical Review A - Atomic, Molecular, and Optical Physics 88 (3) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.88.033827|
|Abstract:||Starting from a microscopic theory for atomic scatterers, we describe the scattering of light by a single atom and study the coherent propagation of light in a cold atomic cloud in the presence of a magnetic field B in the mesoscopic regime. Nonpertubative expressions in B are given for the magneto-optical effects and optical anisotropy. We then consider the multiple-scattering regime and address the fate of the coherent-backscattering (CBS) effect. We show that, for atoms with nonzero spin in their ground state, the CBS interference contrast can be increased compared to its value when B=0, a result at variance with classical samples. We validate our theoretical results by a quantitative comparison with experimental data. © 2013 American Physical Society.|
|Source Title:||Physical Review A - Atomic, Molecular, and Optical Physics|
|Appears in Collections:||Staff Publications|
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