Vortex-line solitons in a periodically modulated Bose gas

Details Vortex-line solitons in a periodically modulated Bose gas Vortex-line solitons in a periodically modulated Bose gas

2004-04-06

arxiv.org/abs/cond-mat/0404150v2

Phys. Rev. Lett. 93, 070402 (2004)

Physics

Condensed Matter

Other Condensed Matter

minor changes, updated/corrected references, 4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.93.070402

We study the nonlinear excitations of a vortex-line in a Bose-Einstein condensate trapped in a one-dimensional optical lattice. We find that the classical Euler dynamics of the vortex results in a description of the vortex line in terms of a (discrete) one-dimensional Gross-Pitaevskii equation, which allows for both bright and gray soliton solutions. We discuss these solutions in detail and predict that it is possible to create vortex-line solitons with current experimental capabilities.

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