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Expansion of a Fermi gas interacting with a Bose-Einstein condensate
F. Ferlaino, E. de Mirandes, G. Roati +2
We study the expansion of an atomic Fermi gas interacting attractively with a Bose-Einstein condensate. We find that the interspecies interaction affects dramatically both the expa…
Superfluid current disruption in a chain of weakly coupled Bose-Einstein Condensates
F. S. Cataliotti, L. Fallani, F. Ferlaino +3
We report the experimental observation of the disruption of the superfluid atomic current flowing through an array of weakly linked Bose-Einstein condensates. The condensates are t…
Collisionally Induced Transport in Periodic Potentials
H. Ott, E. de Mirandes, F. Ferlaino +3
We study the transport of ultra cold atoms in a tight optical lattice. For identical fermions the system is insulating under an external force while for bosonic atoms it is conduct…
Mean-field analysis of the stability of a K-Rb Fermi-Bose mixture
M. Modugno, F. Ferlaino, F. Riboli +3
We compare the experimental stability diagram of a Fermi-Bose mixture of K-40 and Rb-87 atoms with attractive interaction to the predictions of a mean-field theoretical model. We d…
Production of a Fermi gas of atoms in an optical lattice
G. Modugno, F. Ferlaino, R. Heidemann +2
We prepare a degenerate Fermi gas of potassium atoms by sympathetic cooling with rubidium atoms in a one-dimensional optical lattice. In a tight lattice we observe a change of the…
Magnetic control of the interaction in ultracold K-Rb mixtures
A. Simoni, F. Ferlaino, G. Roati +2
We predict the presence of several magnetic Feshbach resonances in selected Zeeman sublevels of the isotopic pairs K(40)-Rb(87) and K(41)-Rb(87) at magnetic fields up to 1000 G. Po…