Dark Matter-Wave Solitons in Optical Lattices

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We analyze the Floquet-Bloch matter-wave spectrum of Bose-Einstein condensates loaded into single-periodic optical lattices and double-periodic superlattices. In the framework of the Gross-Pitaevskii equation, we describe the structure and analyze the mobility properties of dark matter-wave solitons residing on the background of extended nonlinear Bloch-type states. We demonstrate that interaction between dark solitons can be effectively controlled in optical superlattices.
15 pages, 7 figures, submitted to J. Opt. B; Topical Issue: Optical Solitons

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Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/22607

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0311059
 http://arxiv.org/abs/cond-mat/0311059

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arXiv