Bose-Einstein Condensation on a Permanent-Magnet Atom Chip
arXiv:cond-mat/0503619 · doi:10.1088/1742-6596/19/1/012
Abstract
We have produced a Bose-Einstein condensate on a permanent-magnet atom chip based on periodically magnetized videotape. We observe the expansion and dynamics of the condensate in one of the microscopic waveguides close to the surface. The lifetime for atoms to remain trapped near this dielectric material is significantly longer than above a metal surface of the same thickness. These results illustrate the suitability of microscopic permanent-magnet structures for quantum-coherent preparation and manipulation of cold atoms.
4 pages, 6 figures, Published in Phys. Rev. A, Rapid Comm
References in corpus (6)
- Propagation of Bose-Einstein condensates in a magnetic waveguide
- Thermally induced spin flips above an atom chip
- Surface Effects in Magnetic Microtraps
- Cold atoms probe the magnetic field near a wire
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- Creating Ioffe-Pritchard micro-traps from permanent magnetic film with in-plane magnetization