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A two-dimensional Fermi liquid with attractive interactions
B. Fröhlich, M. Feld, E. Vogt +4
We realize and study an attractively interacting two-dimensional Fermi liquid. Using momentum resolved photoemission spectroscopy, we measure the self-energy, determine the contact…
Radio frequency spectra of Feshbach molecules in quasi-two dimensional geometries
Stefan K. Baur, Bernd Fröhlich, Michael Feld +4
The line shape of radio frequency spectra of tightly bound Feshbach molecules in strong transverse confinement can be described by a simple analytic formula that includes final sta…
Attractive and repulsive Fermi polarons in two dimensions
Marco Koschorreck, Daniel Pertot, Enrico Vogt +3
The dynamics of a single impurity in an environment is a fundamental problem in many-body physics. In the solid state, a well-known case is an impurity coupled to a bosonic bath, f…