Making vortices in dipolar spinor condensates via rapid adiabatic passage

Details Making vortices in dipolar spinor condensates via rapid adiabatic passage Making vortices in dipolar spinor condensates via rapid adiabatic passage

2008-10-19

arxiv.org/abs/0810.3379v1

Physics

Condensed Matter

Other Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.79.033615

We propose to the create vortices in spin-1 condensates via magnetic dipole-dipole interaction. Starting with a polarized condensate prepared under large axial magnetic field, we show that by gradually inverting the field, population transfer among different spin states can be realized in a controlled manner. Under optimal condition, we generate a doubly quantized vortex state containing nearly all atoms in the condensate. The resulting vortex state is a direct manifestation of the dipole-dipole interaction and spin textures in spinor condensates. We also point out that the whole process can be qualitatively described by a simple rapid adiabatic passage model.

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