Intermittent implosion and pattern formation of trapped Bose-Einstein condensates with an attractive interaction.

@article{Saito2001IntermittentIA,
  title={Intermittent implosion and pattern formation of trapped Bose-Einstein condensates with an attractive interaction.},
  author={Hitomi Saito and Masahito Ueda},
  journal={Physical review letters},
  year={2001},
  volume={86 8},
  pages={1406-9}
}
The collapsing dynamics of a trapped Bose-Einstein condensate with attractive interaction are revealed to exhibit two previously unknown phenomena. During the collapse, the condensate undergoes a series of rapid implosions that occur intermittently within a very small region. When the sign of the interaction is suddenly switched from repulsive to attractive, e.g., by the Feshbach resonance, density fluctuations grow to form various patterns such as a shell structure. 

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