Bose-Einstein Condensation of Cesium
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; published online 18 October 2001 (10.1126/science.1066687).
; published online 22 March 2001 (10.1126/science.1060622).
R. Grimm M. Weidemüller Yu.
D. S. Weiss personal communication.
Kerman A. J., et al., C. R. Acad. Sci. Paris IV 2, 633 (2001).
P. S. Julienne E. Tiesinga C. J. Williams personal communication.
We observe the narrow Feshbach resonances at 11.0 14.3 15.0 19.9 47.7 and 53.4 G (accuracy ±0.2 G) as loss resonances in three-body decay of an uncondensed gas.
Materials and methods are available as supporting material on Science Online.
We thank all members of the cold-atom group for support and a great team spirit. In particular we thank the Cs surface trapping team M. Hammes D. Rychtarik and B. Engeser for fruitful interactions and for sharing the 1064-nm laser; A. Noga for assistance; and J. Hecker Denschlag for useful discussions. We are indebted to R. Blatt and his ion trapping group for support during our start-up phase in Innsbruck. We acknowledge financial support by the Austrian Science Fund (FWF) within project P15114 and within SFB 15 (project part 16).