科研之友
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摘要
We have created a (87)Rb Bose-Einstein condensate in a magnetic trapping potential produced by a hard disk platter written with a periodic pattern. Cold atoms were loaded from an optical dipole trap and then cooled to Bose-Einstein condensation on the surface with radio-frequency evaporation. Fragmentation of the atomic cloud due to imperfections in the magnetic structure was observed at distances closer than 40 mu m from the surface. Attempts to use the disk as an atom mirror showed dispersive effects after reflection.
- 出版日期2007-10
