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  Trapping of Rb Atoms by ac Electric Fields

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.

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arXiv:physics/0702119v2 [physics.atom-ph]
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Schlunk, Sophie1, Author           
Marian, Adela1, Author           
Geng, Peter1, Author           
Mosk, Allard P., Author
Meijer, Gerard1, Author           
Schöllkopf, Wieland1, Author           
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1Molecular Physics, Fritz Haber Institute, Max Planck Society, ou_634545              

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 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.

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Language(s): eng - English
 Dates: 2007-06-01
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: eDoc: 317078
DOI: 10.1103/PhysRevLett.98.223002
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Title: Physical Review Letters
  Alternative Title : PRL
Source Genre: Journal
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Pages: - Volume / Issue: 98 (22) Sequence Number: 223002 Start / End Page: - Identifier: -