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Interaction of Matter-wave Gap Solitons in Optical Lattices

Dabrowska-Wuster, Beata; Ostrovskaya, Elena; Kivshar, Yuri


We study the mobility and interaction of gap solitons in a Bose-Einstein condensate (BEC) confined by an optical lattice potential. Such localized wavepackets can exist only in the gaps of the matter-wave band-gap spectrum and their interaction properties are shown to serve as a measure of the discreteness imposed on a BEC by the lattice potential. We show that inelastic collisions of two weakly localized near-band-edge gap solitons provide a simple and effective means for generating strongly...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Journal of Optics B: Quantum and Semiclassical Optics
DOI: 10.1088/1464-4266/6/10/007


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