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Physics Letters A

Comment on “Stabilization of trapless Bose-Einstein condensates without any management” [Phys. Lett. A 383 (17) (2019) 2033-2038]

Zhaohui Wang, Ji-Xuan Hou

Published Sep 23, 2019• 1 citation
Publisher
DOI
10.1016/j.physleta.2019.125999

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We study the stabilization of a trapless Bose-Einstein condensate by analysing the mean-field Gross-Pitaevskii equation with attractive two- and three-body interactions through both analytical and numerical methods. Using the variational method we show that there is an enhancement of the condensate stability due to the inclusion of a three-body interaction in addition to the two-body interaction. We also study the stability of the condensates in the presence of the time-varying three-body interaction. Finally we confirm the stabilization of a trapless condensate from numerical simulation.