Anisotropic solitons in dipolar Bose-Einstein Condensates

Details Anisotropic solitons in dipolar Bose-Einstein Condensates Anisotropic solitons in dipolar Bose-Einstein Condensates

2007-11-06

arxiv.org/abs/0711.0853v1

Phys. Rev. Lett. 100, 090406 (2008)

Physics

Condensed Matter

Other Condensed Matter

5 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.100.090406

Starting with a Gaussian variational ansatz, we predict anisotropic bright solitons in quasi-2D Bose-Einstein condensates consisting of atoms with dipole moments polarized \emph{perpendicular} to the confinement direction. Unlike isotropic solitons predicted for the moments aligned with the confinement axis [Phys. Rev. Lett. \textbf{95}, 200404 (2005)], no sign reversal of the dipole-dipole interaction is necessary to support the solitons. Direct 3D simulations confirm their stability.

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