Evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries

Details Evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries Evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries

2005-01-11

arxiv.org/abs/cond-mat/0501248v1

Phys. Rev. A 71 (2005) 053603 (1-8)

Physics

Condensed Matter

Other Condensed Matter

8 pages, 11 ps figures, Physical Review A

Scientific paper

10.1103/PhysRevA.71.053603

Based on the time-dependent Gross-Pitaevskii equation we study the evolution of a collapsing and exploding Bose-Einstein condensate in different trap symmetries to see the effect of confinement on collapse and subsequent explosion, which can be verified in future experiments. We make prediction for the evolution of the shape of the condensate and the number of atoms in it for different trap symmetries (cigar to pancake) as well as in the presence of an optical lattice potential. We also make prediction for the jet formation in different cases when the collapse is suddenly terminated by changing the scattering length to zero via a Feshbach resonance.

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