Realization of a magnetically guided atomic beam in the collisional regime
arXiv:cond-mat/0405013 · doi:10.1103/PhysRevLett.93.093003
Abstract
We describe the realization of a magnetically guided beam of cold rubidium atoms, with a flux of atoms/s, a temperature of 400 K and a mean velocity of 1 m/s. The rate of elastic collisions within the beam is sufficient to ensure thermalization. We show that the evaporation induced by a radio-frequency wave leads to appreciable cooling and increase in phase space density. We discuss the perspectives to reach the quantum degenerate regime using evaporative cooling.
arXiv commentSubmitted to Phys. Rev. Lett
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