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arxiv: cond-mat/0601045 · v2 · submitted 2006-01-03 · ❄️ cond-mat.str-el

Fermionic atoms with tunable interactions in a 3D optical lattice

classification ❄️ cond-mat.str-el
keywords latticefermiopticalatomicatomsbandsblochcoupling
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We report on the realization of a quantum degenerate atomic Fermi gas in an optical lattice. Fermi surfaces of noninteracting fermions are studied in a three-dimensional lattice. Using a Feshbach resonance, we observe a coupling of the Bloch bands in the strongly interacting regime.

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