Continuous Loading of a Conservative Trap from an Atomic Beam

Details Continuous Loading of a Conservative Trap from an Atomic Beam Continuous Loading of a Conservative Trap from an Atomic Beam

2011-02-04

arxiv.org/abs/1102.0928v1

Physics

Condensed Matter

Quantum Gases

4 pages, 4 figures

Scientific paper

We demonstrate the fast accumulation of Cr atoms in a conservative potential from a magnetically guided atomic beam. Without laser cooling on a cycling transition, a single dissipative step realized by optical pumping allows to load atoms at a rate of 2*10^7 1/s in the trap. Within less than 100 ms we reach the collisionally dense regime, from which we directly produce a Bose-Einstein condensate with subsequent evaporative cooling. This constitutes a new approach to degeneracy where, provided a slow beam of particles can be produced by some means, Bose-Einstein condensation can be reached for species without a cycling transition.

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