Phys. Rev. Lett. 88, 120405 (2002) [4 pages]All-Optical Production of a Degenerate Fermi Gas
We achieve degeneracy in a mixture of the two lowest hyperfine states of 6Li by direct evaporation in a CO2 laser trap, yielding the first all optically produced degenerate Fermi gas. More than 105 atoms are confined at temperatures below 4μK at full trap depth, where the Fermi temperature for each state is 8μK. This degenerate two-component mixture is ideal for exploring mechanisms of superconductivity ranging from Cooper pairing to Bose-Einstein condensation of strongly bound pairs. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.120405
DOI:
10.1103/PhysRevLett.88.120405
PACS:
05.30.Fk, 32.80.Pj
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