Theory of Coherent Raman Superradiance Imaging of Condensed Bose Gases
arXiv:cond-mat/0602343 · doi:10.1103/PhysRevA.75.033805
Abstract
We model the off-resonant superradiant Raman scattering of light from a cigar-shaped atomic Bose-Einstein condensate. Absorption images of transmitted light serve as a direct probe of long range coherence in the condensate. Our multimode theory is in good agreement with the time-dependent spatial features observed in recent experiments, and the inclusion of quantum fluctuations in the initial stages of the superradiant emission accounts well for shot-to-shot fluctuations.
12 pages, 12 figures; Theory extended to include meanfield interaction and effects due to photon recoil. Comparison with experiment included
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