Vortex Dipole in a BEC with dipole-dipole interaction

Details Vortex Dipole in a BEC with dipole-dipole interaction Vortex Dipole in a BEC with dipole-dipole interaction

2011-01-03

arxiv.org/abs/1101.0541v1

Physics

Condensed Matter

Quantum Gases

6 pages

Scientific paper

We consider single and multiply charged quantized vortex dipole in an oblate
dipolar Bose Einstein condensate in the Thomas-Fermi (TF) regime. We calculate
the critical velocity for the formation of a pair of vortices of opposite
charge. We find that dipolar interactions decrease the critical velocity for a
vortex dipole nucleation.

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