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Journal of Mathematical Chemistry

Interferences and solitons in the Bose–Einstein condensates with two- and three-body interactions

Wei Hua, Shi Xing Liu, Teng Zhang

Published Dec 10, 2019• 2 citations
Publisher
DOI
10.1007/s10910-019-01093-2

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The evolution characteristics of a Bose-Einstein condensate dark soliton with three-body interactions are investigated by the variational approach.The effects of a harmonic trapping potential on the motion of the dark soliton are discussed. It is shown that the dark soliton will oscillate in the harmonic potential. The trapping strength and the sign of three-body interactions affect the evolution of the dark soliton and change the oscillation characteristics of the Bose-Einstein condensate system.