Persistent currents in dipolar Bose-Einstein condensates confined in annular potentials

Details Persistent currents in dipolar Bose-Einstein condensates confined in annular potentials Persistent currents in dipolar Bose-Einstein condensates confined in annular potentials

2011-08-02

arxiv.org/abs/1108.0516v1

Phys. Rev. A 84, 043626 (2011)

Physics

Condensed Matter

Quantum Gases

7 pages, 3 figures

Scientific paper

10.1103/PhysRevA.84.043626

We consider a dipolar Bose-Einstein condensate confined in an annular potential, with all the dipoles being aligned along some arbitrary direction. In addition to the dipole-dipole interaction, we also assume a zero-range hard-core potential. We investigate the stability of the system against collapse, as well as the stability of persistent currents as a function of the orientation of the dipoles and of the strength of the hard-core interaction.

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