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Matter-wave gap solitons in atomic band-gap structures

Ostrovskaya, Elena; Kivshar, Yuri


We demonstrate that a Bose-Einstein condensate in an optical lattice forms a reconfigurable matter-wave structure with a band-gap spectrum, which resembles a nonlinear photonic crystal for light waves. We study in detail the case of a two-dimensional square optical lattice and show that this atomic band-gap structure allows nonlinear localization of atomic Bloch waves in the form of two-dimensional matter-wave gap solitons.

CollectionsANU Research Publications
Date published: 2003-04-24
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.90.160407


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