Creation of vortices in a Bose-Einstein condensate by a Raman technique

Details Creation of vortices in a Bose-Einstein condensate by a Raman technique Creation of vortices in a Bose-Einstein condensate by a Raman technique

1997-08-25

arxiv.org/abs/cond-mat/9708189v1

Physics

Condensed Matter

RevTex, 4 pages, 2 PostScript figures

Scientific paper

10.1016/S0375-9601(98)00431-9

We propose a method for taking a Bose-Einstein condensate in the ground trap state simultaneously to a different atomic hyperfine state and to a vortex trap state. This can be accomplished through a Raman scheme in which one of the two copropagating laser beams has a higher-order Laguerre-Gaussian mode profile. Coefficients relating the beam waist, pulse area, and trap potentials for a complete transfer to the m = 1 vortex are calculated for a condensate in the non-interacting and strongly interacting regimes.

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