Trapping of Neutral Rubidium with a Macroscopic Three-Phase Electric Trap

Details Trapping of Neutral Rubidium with a Macroscopic Three-Phase Electric Trap Trapping of Neutral Rubidium with a Macroscopic Three-Phase Electric Trap

2007-07-11

arxiv.org/abs/0707.1703v1

Phys. Rev. Lett. 99, 063001 (2007)

Physics

Atomic Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.99.063001

We trap neutral ground-state rubidium atoms in a macroscopic trap based on purely electric fields. For this, three electrostatic field configurations are alternated in a periodic manner. The rubidium is precooled in a magneto-optical trap, transferred into a magnetic trap and then translated into the electric trap. The electric trap consists of six rod-shaped electrodes in cubic arrangement, giving ample optical access. Up to 10^5 atoms have been trapped with an initial temperature of around 20 microkelvin in the three-phase electric trap. The observations are in good agreement with detailed numerical simulations.

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