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Matter-wave gap vortices in optical lattices | | Elena A. Ostrovskaya
; Yuri S. Kivshar
; | | Date: |
29 Apr 2004 | | Subject: | Other; Soft Condensed Matter | cond-mat.other cond-mat.soft | | Abstract: | We predict the existence of spatially localized nontrivial topological states of the Bose-Einstein condensate with repulsive atomic interactions confined by an optical lattice. These nonlinear localized states, matter-wave gap vortices, possess a phase dislocation and exist in the gaps of the matter-wave bandgap spectrum due to the Bragg scattering. We discuss the structure, stability, and formation dynamics of the gap vortices in the case of two-dimensional optical lattices. | | Source: | arXiv, cond-mat/0404714 | | Other source: | [GID 74192] pmid15524961 | | Services: | Forum | Review | PDF | Favorites | |
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