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Matter-wave Dark Solitons in Optical Lattices

Louis, P J Y; Ostrovskaya, Elena; Kivshar, Yuri


We analyse the Floquet-Bloch spectrum of matter waves in 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 analyse the mobility properties of matter-wave dark solitons residing on backgrounds of extended nonlinear Bloch-type states. We demonstrate that interactions between dark solitons can be effectively controlled in optical superlattices.

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Journal of Optics B: Quantum and Semiclassical Optics
DOI: 10.1088/1464-4266/6/5/020


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