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Multicomponent gap solitons in spinor Bose-Einstein condensates

Dabrowska-Wuster, Beata; Ostrovskaya, Elena; Alexander, Tristram J; Kivshar, Yuri


We model the nonlinear behavior of spin-1 Bose-Einstein condensates (BECs) with repulsive spin-independent interactions and either ferromagnetic or antiferromagnetic (polar) spin-dependent interactions, loaded into a one-dimensional optical lattice potential. We show that both types of BECs exhibit dynamical instabilities and may form spatially localized multicomponent structures. The localized states of the spinor matter waves take the form of vector gap solitons and self-trapped waves that...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.75.023617


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