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Degenerate Fermi Gases of Ytterbium

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Group: Takahashi

Authors and contributors: Takeshi Fukuhara, Yosuke Takasu, Mitsutaka Kumakura, and Yoshiro Takahashi

From Phys. Rev. Lett. submission:

"Evaporative cooling was performed to cool fermionic 173Yb atoms in a crossed optical dipole trap. The large elastic collision rate leads to efficient evaporation and we have successfully cooled the atoms to 0.37±0.06 of the Fermi temperature, that is to say, to a quantum degenerate regime. In this regime, a plunge of evaporation efficiency was observed as a result of Fermi degeneracy."

[Received 8 July 2006; published 17 January 2007]
Phys. Rev. Lett. 98, 030401 (2007)

Posted: 02 Feb 2007     Date: 08 Jul 2006

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