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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…
Correlated photon-pair generation in a liquid-filled microcavity
Felix Rönchen, Thorsten F. Langerfeld, Michael Köhl
We report on the realization of a liquid-filled optical microcavity and demonstrate photon-pair generation by spontaneous four-wave mixing. The bandwidth of the emitted photons is…
Ultraviolet Fabry-Perot cavity with stable finesse under ultrahigh vacuum conditions
Jonas Schmitz, Hendrik M. Meyer, Michael Köhl
We have constructed an apparatus containing a linear ion trap and a high-finesse optical cavity in the ultraviolet spectral range. In our construction, we have avoided all organic…