Phys. Rev. A 72, 051606(R) (2005) [4 pages]Metastable Bose-Einstein condensate in a linear potential
We have created a Bose-Einstein condensate whose spin orientation is metastable. Condensates were transferred into a quadrupole magnetic trap, where Majorana transitions limited the lifetime to a few hundred milliseconds, about 30 times the trapping period. Atoms held in the trap frequently displayed a ring-shaped time-of-flight distribution. We speculate that such a ring could be either a quantized vortex or a feature of the Majorana loss dynamics in the quantum regime. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.72.051606
DOI:
10.1103/PhysRevA.72.051606
PACS:
03.75.Mn, 03.75.Lm, 03.75.Nt, 32.80.Lg
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