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Instability-induced Localization of Matter Waves in Moving Optical Lattices

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


By using a one-dimensional nonpolynomial nonlinear mean-field model, we numerically analyze the process of the loading of the Bose-Einstein condensate into a moving one-dimensional optical lattice. We demonstrate that the recently observed dynamical instability of the Bloch states of a repulsive condensate in a moving optical lattice can lead to formation of trains of spatially localized wave packets that can be associated with matter-wave gap solitons. We study the characteristic features of...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Physical Review A: Atomic, Molecular and Optical Physics
DOI: 10.1103/PhysRevA.73.033603


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