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Evidence for Bose-Einstein Condensation in Lithium

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First observation: BEC!

Group: Hulet

Authors and contributors: C. C. Bradley, C. A. Sackett, J. J. Tollett, and R. G. Hulet

Figure 1:
"(a) shows an image in which the atom cloud has an e-1 radius of 36 µm in the trap x-y direction, and a peak absorption of 22%. These values correspond to 1.2 x 10 5 atoms with a temperature of 590 nK, giving N/Nc = 0.2. (b) shows the result of a separate load-evaporate cycle, giving N/Nc > 1, in which a distinct ringlike halo surrounding the absorption peak is observed."

The figure is from:
"Evidence of Bose-Einstein Condensation in an Atomic Gas with Attractive Interactions"
C. C. Bradley, C. A. Sackett, J. J. Tollett, and R. G. Hulet
Phys. Rev. Lett. 75, 1687 (1995).

Posted: 26 Jun 2006     Date: 12 Jul 1995


Erratum published in 1997

Updated: 23 Jun 2006

C.C. Bradley, C.A. Sackett, J.J. Tollett, and R.G. Hulet,
Phys. Rev. Lett. 79, 1170 (1997)

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