Bosons with attractive interactions in a trap: Is the ground state fragmented ?
classification
❄️ cond-mat.stat-mech
keywords
condensatefragmentationfragmentedattractivebose-einsteinbosonscommentcoupling
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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.
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