Vortices in a Bose-Einstein Condensate

@article{Matthews1999VorticesIA,
  title={Vortices in a Bose-Einstein Condensate},
  author={Michael R. Matthews and Brian P. Anderson and P. C. Haljan and David S. Hall and Carl E. Wieman and Eric Allin Cornell},
  journal={Physical Review Letters},
  year={1999},
  volume={83},
  pages={2498-2501}
}
We have created vortices in two-component Bose-Einstein condensates. The vortex state was created through a coherent process involving the spatial and temporal control of interconversion between the two components. Using an interference technique, we map the phase of the vortex state to confirm that it possesses angular momentum. We can create vortices in either of the two components and have observed differences in the dynamics and stability. 
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