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TT: Fachverband Tiefe Temperaturen

TT 11: Poster Session: Matter at Low Temperature

TT 11.20: Poster

Monday, March 14, 2011, 14:00–18:00, P4

Radiofrequency spectroscopy of a strongly interacting twodimensional Fermi gas — •Enrico Vogt, Bernd Fröhlich, Michael Feld, Marco Koschorreck und Michael Köhl — Cavendish Laboratory, University of Cambridge, JJ Thomson Avenue, Cambridge CB3 0HE, United Kingdom

We have realized and studied a strongly interacting two-component atomic Fermi gas confined to two spatial dimensions using an optical lattice. Using radio-frequency spectroscopy we measure the interaction energy of the gas. We find that the strong confinement to two dimensions induces scattering resonances and leads to the existence of confinement-induced molecules which have no counterpart in three dimensions.