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Journal Article

Trapping of Rb Atoms by ac Electric Fields

MPS-Authors
/persons/resource/persons22072

Schlunk,  Sophie
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Marian,  Adela
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Geng,  Peter
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Meijer,  Gerard
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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Schöllkopf,  Wieland
Molecular Physics, Fritz Haber Institute, Max Planck Society;

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317078.pdf
(Preprint), 657KB

e223002.pdf
(Publisher version), 2MB

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Citation

Schlunk, S., Marian, A., Geng, P., Mosk, A. P., Meijer, G., & Schöllkopf, W. (2007). Trapping of Rb Atoms by ac Electric Fields. Physical Review Letters, 98(22): 223002. doi:10.1103/PhysRevLett.98.223002.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-00B4-4
Abstract
We demonstrate trapping of an ultracold gas of neutral atoms in a macroscopic ac electric trap. Three-dimensional confinement is obtained by switching between two saddle-point configurations of the electric field. Stable trapping is observed in a narrow range of switching frequencies around 60 Hz. The dynamic confinement of the atoms is directly visualized at different phases of the ac switching cycle. We observe about 10⁵ Rb atoms in the 1 mm³ large and several microkelvins deep trap with a lifetime of approximately 5 s.