Two-dimensional multisolitons and azimuthons in Bose-Einstein condensates with attraction

Details Two-dimensional multisolitons and azimuthons in Bose-Einstein condensates with attraction Two-dimensional multisolitons and azimuthons in Bose-Einstein condensates with attraction

2007-10-15

arxiv.org/abs/0710.2745v1

Nonlinear Sciences

Pattern Formation and Solitons

4 pages, 4 figures

Scientific paper

10.1103/PhysRevA.77.025602

We present spatially localized nonrotating and rotating (azimuthon) multisolitons in the two-dimensional (2D) ("pancake-shaped configuration") Bose-Einstein condensate (BEC) with attractive interaction. By means of a linear stability analysis, we investigate the stability of these structures and show that rotating dipole solitons are stable provided that the number of atoms is small enough. The results were confirmed by direct numerical simulations of the 2D Gross-Pitaevskii equation.

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