Three-dimensional vortex configurations in a rotating Bose Einstein condensate

Details Three-dimensional vortex configurations in a rotating Bose Einstein condensate Three-dimensional vortex configurations in a rotating Bose Einstein condensate

2003-03-20

arxiv.org/abs/cond-mat/0303416v1

PRA, (2003), 68, 023603

Physics

Condensed Matter

Scientific paper

10.1103/PhysRevA.68.023603

We consider a rotating Bose-Einstein condensate in a harmonic trap and investigate numerically the behavior of the wave function which solves the Gross Pitaevskii equation. Following recent experiments [Rosenbuch et al, Phys. Rev. Lett., 89, 200403 (2002)], we study in detail the line of a single quantized vortex, which has a U or S shape. We find that a single vortex can lie only in the x-z or y-z plane. S type vortices exist for all values of the angular velocity Omega while U vortices exist for Omega sufficiently large. We compute the energy of the various configurations with several vortices and study the three-dimensional structure of vortices.

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