Bose-Einstein condensates near a microfabricated surface.
作者： A. E. Leanhardt , Y. Shin , A. P. Chikkatur , D. Kielpinski , W. Ketterle
DOI: 10.1103/PHYSREVLETT.90.100404
关键词: Dipole 、 Physics 、 Bose–Einstein condensate 、 Atom chip 、 Atomic physics 、 Condensed matter physics
摘要: Magnetically and optically confined Bose-Einstein condensates were studied near a microfabricated surface. Condensate fragmentation observed in magnetic traps was not optical dipole at the same location. The measured condensate lifetime $\ensuremath{\ge}20\text{ }\mathrm{s}$ independent of atom-surface separation under both confinement. Radio-frequency spin-flip transitions driven by technical noise directly for could limit traps.
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