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          Institute: Fritz-Haber-Institut     Collection: Molecular Physics     Display Documents



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ID: 317078.0, Fritz-Haber-Institut / Molecular Physics
Trapping of Rb Atoms by ac Electric Fields
Authors:Schlunk, Sophie; Marian, Adela; Geng, Peter; Mosk, Allard P.; Meijer, Gerard; Schöllkopf, Wieland
Language:English
Date of Publication (YYYY-MM-DD):2007-06-01
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys. Rev. Lett.
Volume:98
Start Page:223002-1
End Page:223002-4
Copyright:© 2007 The American Physical Society
Review Status:Peer-review
Audience:Experts Only
Abstract / Description: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.
External Publication Status:published
Document Type:Article
Communicated by:Gerard Meijer
Affiliations:Fritz-Haber-Institut/Molecular Physics
External Affiliations:FOM-Institute for Plasmaphysics Rijnhuizen, P.O. Box 1207, 3430 BE Nieuwegein, The Netherlands
Identifiers:URL:http://scitation.aip.org/getabs/servlet/GetabsServ...
DOI:10.1103/PhysRevLett.98.223002
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