Fermionic atoms with tunable interactions in a 3D optical lattice
Thilo Stöferle, Henning Moritz, Christian Schori, Kenneth Günter, Michael Köhl, Tilman Esslinger
Abstract
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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