How to create Alice string (half-quantum vortex) in a vector Bose-Einstein condensate
U. Leonhardt, G. E. Volovik
Abstract
We suggest a procedure how to prepare the vortex with N=1/2 winding number -- the counterpart of the Alice string -- in a Bose--Einstein condensate with hyperfine spin F=1. Other possible vortices in Bose-condensates are also discussed.
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