Vortex Rings and Lieb Modes in a Cylindrical Bose-Einstein Condensate

Details Vortex Rings and Lieb Modes in a Cylindrical Bose-Einstein Condensate Vortex Rings and Lieb Modes in a Cylindrical Bose-Einstein Condensate

2002-02-11

arxiv.org/abs/cond-mat/0202182v1

Phys. Rev. Lett. 89, 070402 (2002)

Physics

Condensed Matter

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.89.070402

We present a calculation of a solitary wave propagating along a cylindrical Bose-Einstein trap, which is found to be a hybrid of a one-dimensional (1D) soliton and a three-dimensional (3D) vortex ring. The calculated energy-momentum dispersion exhibits characteristics similar to those of a mode proposed sometime ago by Lieb within a 1D model, as well as some rotonlike features.

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