Coupled Bose-Einstein condensate: Collapse for attractive interaction
Abstract
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 aij 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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