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Phys Rev Lett. 2003 Mar 21;90(11):113002. Epub 2003 Mar 20.

Recoil-limited laser cooling of 87Sr atoms near the Fermi temperature.

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  • 1Cooperative Excitation Project, ERATO, JST, 3-2-1 Sakado, Kawasaki 213-0012, Japan.


A dynamic magneto-optical trap, which relies on the rapid randomization of population in Zeeman substates, has been demonstrated for fermionic strontium atoms on the 1S0-3P1 intercombination transition. The obtained sample, 1x10(6) atoms at a temperature of 2 microK in the trap, was further Doppler cooled and polarized in a far-off resonant optical lattice to achieve 2 times the Fermi temperature.

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