A Storage Ring for Neutral Atoms

Details A Storage Ring for Neutral Atoms A Storage Ring for Neutral Atoms

2001-08-30

arxiv.org/abs/quant-ph/0108138v1

Phys.Rev.Lett. 87 (2001) 270401

Physics

Quantum Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.87.270401

We have demonstrated a storage ring for ultra-cold neutral atoms. Atoms with mean velocities of 1 m/s corresponding to kinetic energies of ~100 neV are confined to a 2 cm diameter ring by magnetic forces produced by two current-carrying wires. Up to 10^6 atoms are loaded at a time in the ring, and 7 revolutions are clearly observed. Additionally, we have demonstrated multiple loading of the ring and deterministic manipulation of the longitudinal velocity distribution of the atoms using applied laser pulses. Applications of this ring include large area atom interferometers and cw monochromatic atomic beam generation.

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