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10 papers
Damagnetization cooling of a gas
M. Fattori, T. Koch, S. Goetz +4
We demonstrate demagnetization cooling of a gas of ultracold Cr atoms. Demagnetization is driven by inelastic dipolar collisions which couple the motional degrees of freedom…
Depolarisation cooling of an atomic cloud
S. Hensler, A. Greiner, J. Stuhler +1
We propose a cooling scheme based on depolarisation of a polarised cloud of trapped atoms. Similar to adiabatic demagnetisation, we suggest to use the coupling between the internal…
Bose-Einstein condensation of chromium
Axel Griesmaier, Jörg Werner, Sven Hensler +2
We report on the generation of a Bose-Einstein condensate in a gas of chromium atoms, which will make studies of the effects of anisotropic long-range interactions in degenerate qu…
Observation of Feshbach resonances in an ultracold gas of Cr
J. Werner, A. Griesmaier, S. Hensler +4
We have observed Feshbach resonances in elastic collisions between ultracold Cr atoms. This is the first observation of collisional Feshbach resonances in an atomic specie…
A two species trap for chromium and rubidium atoms
Sven Hensler, Axel Griesmaier, Jörg Werner +2
We realize a combined trap for bosonic chromium 52Cr and rubidium 87Rb atoms. First experiments focus on exploring a suitable loading scheme for the combined trap and on studies of…
Dipolar Relaxation in an ultra-cold Gas of magnetically trapped chromium atoms
S. Hensler, J. Werner, A. Griesmaier +5
We have investigated both theoretically and experimentally dipolar relaxation in a gas of magnetically trapped chromium atoms. We have found that the large magnetic moment of 6 $μ_…