Propagation of Raman-matched laser pulses through a Bose-Einstein condensate

Details Propagation of Raman-matched laser pulses through a Bose-Einstein condensate Propagation of Raman-matched laser pulses through a Bose-Einstein condensate

2001-04-25

arxiv.org/abs/quant-ph/0104125v1

Physics

Quantum Physics

19 pages, 11 figures, to be published in Opt. Commun

Scientific paper

10.1016/S0030-4018(01)01255-X

We investigate the role of non-uniform spatial density profiles of trapped atomic Bose-Einstein condensates in the propagation of Raman-matched laser pulses under conditions for electromagnetically induced transparency (EIT). We find that the sharp edged axial density profile of an interacting condensate (due to a balance between external trap and repulsive atomic interaction) is advantageous for obtaining ultra slow averaged group velocities. Our results are in good quantitative agreement with a recent experiment report [Nature {\bf 397}, 594 (1999)].

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