Stability of dark solitons in three dimensional dipolar Bose-Einstein condensates

Details Stability of dark solitons in three dimensional dipolar Bose-Einstein condensates Stability of dark solitons in three dimensional dipolar Bose-Einstein condensates

2007-12-21

arxiv.org/abs/0712.3655v1

Phys. Rev. Lett. 101, 210402 (2008)

Physics

Condensed Matter

Other Condensed Matter

4 pages, 3 eps figures

Scientific paper

10.1103/PhysRevLett.101.210402

The dynamical stability of dark solitons in dipolar Bose-Einstein condensates is studied. For standard short-range interacting condensates dark solitons are unstable against transverse excitations in two and three dimensions. On the contrary, due to its non local character, the dipolar interaction allows for stable 3D stationary dark solitons, opening a qualitatively novel scenario in nonlinear atom optics. We discuss in detail the conditions to achieve this stability, which demand the use of an additional optical lattice, and the stability regimes.

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