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Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Apr;67(4 Pt 2):046610. Epub 2003 Apr 21.

Soliton "molecules": robust clusters of spatiotemporal optical solitons.

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  • 1Department of Signal Theory and Communications, Universitat Politecnica de Catalunya, ES 08034 Barcelona, Spain.


We show how to generate robust self-sustained clusters of soliton bullets-spatiotemporal (optical or matter-wave) solitons. The clusters carry an orbital angular momentum being supported by competing nonlinearities. The "atoms" forming the "molecule" are fully three-dimensional solitons linked via a staircaselike macroscopic phase. Recent progress in generating atomic-molecular coherent mixing in the Bose-Einstein condensates might open potential scenarios for the experimental generation of these soliton molecules with matter waves.

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