期刊
PHYSICAL REVIEW LETTERS
卷 88, 期 12, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.88.120405
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We achieve degeneracy in a mixture of the two lowest hyperfine states of Li-6 by direct evaporation in a CO2 laser trap, yielding the first all optically produced degenerate Fermi gas. More than 10(5) atoms are confined at temperatures below 4 muK at full trap depth, where the Fermi temperature for each state is 8 muK. This degenerate two-component mixture is ideal for exploring mechanisms of superconductivity ranging from Cooper pairing to Bose-Einstein condensation of strongly bound pairs.
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