Bose-Einstein condensates near a microfabricated surface
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Author(s)
Leanhardt, A.
Shin, Y.
Chikkatur, A.
Kielpinski, D.
Ketterle, W.
Pritchard, D.
Shin, Y.
Chikkatur, A.
Kielpinski, D.
Ketterle, W.
Pritchard, D.
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2003
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Abstract
Magnetically and optically confined Bose-Einstein condensates were studied near a microfabricated surface. Condensate fragmentation observed in microfabricated magnetic traps was not observed in optical dipole traps at the same location. The measured condensate lifetime was =20???s and independent of the atom-surface separation under both magnetic and optical confinement. Radio-frequency spin-flip transitions driven by technical noise were directly observed for optically confined condensates and could limit the condensate lifetime in microfabricated magnetic traps.
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Physical Review Letters
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90
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10
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Mathematical Sciences
Physical Sciences
Engineering