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Pair correlations in the attractive Hubbard model
C. F. Chan, M. Gall, N. Wurz +1
The mechanism of fermionic pairing is the key to understanding various phenomena such as high-temperature superconductivity and the pseudogap phase in cuprate materials. We study t…
Simulating a Mott insulator using attractive interaction
M. Gall, C. F. Chan, N. Wurz +1
We study the particle-hole symmetry in the Hubbard model using ultracold fermionic atoms in an optical lattice. We demonstrate the mapping between charge and spin degrees of freedo…
Hybrid quantum systems of ions and atoms
Carlo Sias, Michael Köhl
In this chapter we review the progress in experiments with hybrid systems of trapped ions and ultracold neutral atoms. We give a theoretical overview over the atom-ion interactions…
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…
Radiofrequency spectroscopy of a strongly interacting two-dimensional Fermi gas
Bernd Fröhlich, Michael Feld, Enrico Vogt +3
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 inter…