Super-radiant light scattering from trapped Bose Einstein condensates

Details Super-radiant light scattering from trapped Bose Einstein condensates Super-radiant light scattering from trapped Bose Einstein condensates

2000-02-25

arxiv.org/abs/cond-mat/0002390v1

Phys.Rev.A, 62 (2000) 063615

Physics

Condensed Matter

24 pages,16 figures, submitted to Phys.Rev.A

Scientific paper

10.1103/PhysRevA.62.063615

We propose a new formulation for atomic side mode dynamics from super-radiant light scattering of trapped atoms. A detailed analysis of the recently observed super-radiant light scattering from trapped bose gases [S. Inouye {\it et al.}, Science {\bf 285}, 571 (1999)] is presented. We find that scattered light intensity can exhibit both oscillatory and exponential growth behaviors depending on densities, pump pulse characteristics, temperatures, and geometric shapes of trapped gas samples. The total photon scattering rate as well as the accompanied matter wave amplification depends explicitly on atom number fluctuations in the condensate. Our formulation allows for natural and transparent interpretations of subtle features in the MIT data, and provides numerical simulations in good agreement with all aspects of the experimental observations.

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