Phys. Rev. A 59, 1711–1714 (1999)Absence of fragmentation of the condensate in a model for bosons in a trapReceived 12 May 1998; published in the issue dated February 1999 Possible fragmentation of a Bose-Einstein condensate with negative scattering length is investigated using a simple two-level model. Our results indicate that fragmentation does not take place for values of the coupling for which the system is metastable. We also comment on the possibility of realizing a fragmented condensate in trapping potentials other than an harmonic one. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.59.1711
DOI:
10.1103/PhysRevA.59.1711
PACS:
03.75.Fi, 05.30.Jp, 67.40.Db
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