Phys. Rev. Lett. 95, 143201 (2005) [4 pages]Bose-Einstein Condensation in a Circular Waveguide
We have produced Bose-Einstein condensates in a ring-shaped magnetic waveguide. The few-millimeter diameter, nonzero-bias ring is formed from a time-averaged quadrupole ring. Condensates that propagate around the ring make several revolutions within the time it takes for them to expand to fill the ring. The ring shape is ideally suited for studies of vorticity in a multiply connected geometry and is promising as a rotation sensor. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.95.143201
DOI:
10.1103/PhysRevLett.95.143201
PACS:
39.20.+q, 03.75.−b, 05.30.Jp, 39.25.+k
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