Observation of vortex lattices in Bose-Einstein condensates.

@article{AboShaeer2001ObservationOV,
  title={Observation of vortex lattices in Bose-Einstein condensates.},
  author={J. R. Abo-Shaeer and C. Raman and Jan Vogels and Wolfgang Ketterle},
  journal={Science},
  year={2001},
  volume={292 5516},
  pages={476-9}
}
Quantized vortices play a key role in superfluidity and superconductivity. We have observed the formation of highly ordered vortex lattices in a rotating Bose-condensed gas. These triangular lattices contained over 100 vortices with lifetimes of several seconds. Individual vortices persisted up to 40 seconds. The lattices could be generated over a wide range of rotation frequencies and trap geometries, shedding light on the formation process. Our observation of dislocations, irregular structure… CONTINUE READING
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Observation of Stationary Vortex Arrays in Rotating Superfluid Helium

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