期刊
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
卷 52, 期 9, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1361-6455/ab0e1b
关键词
dipolar condensate; soliton; bound state; interaction potential
资金
- KFUPM [RG1503-1, RG1503-2]
Analytic expressions have been derived for the interaction potential between dipolar bright solitons and the binding energy of a two-soliton molecule. The properties of these localized structures are explored with a focus on their behavior in the weakly bound regime, with a small binding energy. Using the variational approach a coupled system of ordinary differential equations for the parameters of a soliton molecule is obtained for the description of their evolution. Predictions of the model are compared with numerical simulations of the governing nonlocal Gross-Pitaevskii equation and good qualitative agreement between them is demonstrated.
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