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Radio-Frequency Spectroscopy of a Strongly Interacting Two-Dimensional Fermi Gas

Radio-Frequency Spectroscopy of a Strongly Interacting Two-Dimensional Fermi Gas

We realize and study a strongly interacting two-component atomic Fermi gas confined to two dimensions in an optical lattice. Using radio-frequency spectroscopy we measure the interaction energy of the strongly interacting gas. We observe the confinement-induced Feshbach resonance and find the existence of confinement-induced molecules in very good agreement with …