Dissipation-managed soliton in a quasi-one-dimensional Bose-Einstein condensate
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Iop Publishing Ltd
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We use the time-dependent mean-field Cross-Pitaevskii equation to study the formation of a dynamically-stabilized dissipation managed bright soliton in a quasi-one dimensional Bose-Einstein condensate (BEC). Because of three-body recombination of bosonic atoms to molecules, atoms are lost (dissipated) from a BEC. Such dissipation leads to the decay of a BEC soliton. We demonstrate by a perturbation procedure that an alimentation of atoms from an external source to the BEC may compensate for the dissipation loss and lead to a dynamically-stabilized soliton. The result of the analytical perturbation method is in excellent agreement with mean-field numerics. It seems possible to obtain such a dynamically stabilized BEC soliton without dissipation in laboratory.
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dissipation-managed soliton, Bose-Einstein condensate
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Inglês
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Laser Physics Letters. Bristol: Iop Publishing Ltd, v. 3, n. 11, p. 553-557, 2006.
