Collapse times for attractive Bose-Einstein condensates

Details Collapse times for attractive Bose-Einstein condensates Collapse times for attractive Bose-Einstein condensates

2007-08-24

arxiv.org/abs/0708.3298v2

Physics

Condensed Matter

Other Condensed Matter

15 pages; added detailed comparison to other approaches

Scientific paper

10.1088/0953-4075/41/2/025302

We argue that the main mechanism for condensate collapse in an attractive Bose-Einstein condensate is the loss of coherence between atoms a finite distance apart, rather than the growth of the occupation number in noncondensate modes. Since the former mechanism is faster than the latter by a factor of approximately 3/2, this helps to dispel the apparent failure of field theoretical models in predicting the collapse time of the condensate.

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