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Collapse instability of solitons in the nonpolynomial Schrodinger equation with dipole-dipole interactions
dc.creator | Gligorić, Goran | |
dc.creator | Maluckov, Aleksandra | |
dc.creator | Hadžievski, Ljupčo | |
dc.creator | Malomed, Boris A. | |
dc.date.accessioned | 2018-03-01T20:51:18Z | |
dc.date.available | 2018-03-01T20:51:18Z | |
dc.date.issued | 2009 | |
dc.identifier.issn | 0953-4075 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/3742 | |
dc.description.abstract | A model of the Bose-Einstein condensate (BEC) of dipolar atoms, confined in a combination of a cigar-shaped trap and optical lattice acting in the axial direction, is studied in the framework of the one-dimensional (1D) nonpolynomial Schrodinger equation (NPSE) with additional terms describing long-range dipole-dipole (DD) interactions. The NPSE makes it possible to describe the collapse of localized modes, which was experimentally observed in the self-attractive BEC confined in tight traps, in the framework of the 1D description. We study the influence of the DD interactions on the dynamics of bright solitons, especially concerning their collapse-induced instability. Both attractive and repulsive contact and DD interactions are considered. The results are summarized in the form of stability/collapse diagrams in a respective parametric space. In particular, it is shown that the attractive DD interactions may prevent the collapse instability in the condensate with attractive contact interactions. | en |
dc.relation | Ministry of Science, Serbia [141034], German-Israel Foundation [149/2006] | |
dc.rights | restrictedAccess | en |
dc.source | Journal of Physics. B: Atomic Molecular and Optical Physics | en |
dc.title | Collapse instability of solitons in the nonpolynomial Schrodinger equation with dipole-dipole interactions | en |
dc.type | article | en |
dcterms.abstract | Маломед, Б. A.; Глигорић Горан; Малуцков Aлександра; Хаджиевски Љупчо; | |
dc.citation.volume | 42 | |
dc.citation.issue | 14 | |
dc.identifier.wos | 000267943500014 | |
dc.identifier.doi | 10.1088/0953-4075/42/14/145302 | |
dc.citation.other | Article Number: 145302 | |
dc.citation.rank | M21 | |
dc.identifier.scopus | 2-s2.0-70350626582 |
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