Coupled Bose-Einstein condensate: Collapse for attractive interaction

Details Coupled Bose-Einstein condensate: Collapse for attractive interaction Coupled Bose-Einstein condensate: Collapse for attractive interaction

2000-11-30

arxiv.org/abs/cond-mat/0011526v3

Phys. Rev. A 63 (2001) 043611 (1-5)

Physics

Condensed Matter

Soft Condensed Matter

5 pages and 9 figures, small changes made

Scientific paper

10.1103/PhysRevA.63.043611

We study the collapse in a coupled Bose-Einstein condensate of two types of bosons 1 and 2 under the action of a trap using the time-dependent Gross-Pitaevskii equation. The system may undergo collapse when one, two or three of the scattering lengths $a_{ij}$ for scattering of boson $i$ with $j$, $i,j = 1, 2 $, are negative representing an attractive interaction. Depending on the parameters of the problem a single or both components of the condensate may experience collapse.

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