Spinor dipolar Bose-Einstein condensates; Classical spin approach

Details Spinor dipolar Bose-Einstein condensates; Classical spin approach Spinor dipolar Bose-Einstein condensates; Classical spin approach

2007-04-02

arxiv.org/abs/0704.0122v2

Phys. Rev. Lett. 98, 260403 (2007)

Physics

Condensed Matter

Other Condensed Matter

5 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.98.260403

Magnetic dipole-dipole interaction dominated Bose-Einstein condensates are discussed under spinful situations. We treat the spin degrees of freedom as a classical spin vector, approaching from large spin limit to obtain an effective minimal Hamiltonian; a version extended from a non-linear sigma model. By solving the Gross-Pitaevskii equation we find several novel spin textures where the mass density and spin density are strongly coupled, depending upon trap geometries due to the long-range and anisotropic natures of the dipole-dipole interaction.

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