Complex solitons with power law behaviour in Bose-Einstein condensates near Feshbach resonance

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dc.creatorRoy, Utpal
dc.creatorAtre, Rajneesh
dc.creatorSudheesh, C.
dc.creatorKumar, C. Nagaraja
dc.creatorPanigrahi, Prasanta K.
dc.date2007-08-27
dc.date.accessioned2026-07-07T08:25:55Z
dc.date.available2026-07-07T08:25:55Z
dc.descriptionComplex, localized stable solitons, characterized by a power law behaviour, are found for a quasi-one-dimensional Bose-Einstein condensate near Feshbach resonance. Both dark and bright solitons can be excited in the experimentally allowed parameter domain, when two and three-body interactions are respectively repulsive and attractive. These solutions are obtained for non-zero chemical potential, unlike their unstable real counterparts which exist in the limit of vanishing $μ$. The dark solitons travel with constant speed, which is quite different from the Lieb mode, where profiles with different speeds, bounded above by sound velocity can exist for specified interaction strengths.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/0708.3646
dc.identifierhttp://arxiv.org/abs/0708.3646
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/136778
dc.subjectOther Condensed Matter
dc.titleComplex solitons with power law behaviour in Bose-Einstein condensates near Feshbach resonance
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