Antilocalization in Coherent Backscattering of Light in a Multi-Resonance Atomic System

Details Antilocalization in Coherent Backscattering of Light in a Multi-Resonance Atomic System Antilocalization in Coherent Backscattering of Light in a Multi-Resonance Atomic System

2004-07-07

arxiv.org/abs/quant-ph/0407059v1

Optics Comm. 243, 165 (2004).

Physics

Quantum Physics

6 pages, 3 figures. Submitted to Optics Communications (2004)

Scientific paper

10.1016/j.optcom.2004.10.049

Theoretical prediction of antilocalization of light in ultracold atomic gas samples, in the weak localization regime, is reported. Calculations and Monte-Carlo simulations show that, for selected spectral ranges in the vicinity of atomic 85Rb hyperfine transitions, quantum coherence in optical transitions through nondegenerate hyperfine levels in multiple light scattering generates destructive interference in otherwise reciprocal scattering paths. This effect leads to enhancement factors less than unity in a coherent backscattering geometry, and suggests the possibility of enhanced diffusion of light in ultracold atomic vapors.

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