Published November 1, 2004
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Journal Article
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Proposed magnetoelectrostatic ring trap for neutral atoms
- Creators
- Hopkins, Asa
- Lev, Benjamin
- Mabuchi, Hideo
Chicago
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Abstract
We propose a trap for confining cold neutral atoms in a microscopic ring using a magnetoelectrostatic potential. The trapping potential is derived from a combination of a repulsive magnetic field from a hard drive atom mirror and the attractive potential produced by a charged disk patterned on the hard drive surface. We calculate a trap frequency of [29.7,42.6,62.8] kHz and a depth of [16.1,21.8,21.8] MHz for [Cs-133, Rb-87, K-40], and discuss a simple loading scheme and a method for fabrication. This device provides a one-dimensional potential in a ring geometry that may be of interest to the study of trapped quantum degenerate one-dimensional gases.
Additional Information
©2004 The American Physical Society. Received 6 February 2004; revised 12 February 2004; published 22 November 2004. The authors thank Axel Scherer for helpful discussions. This work was supported by the Multidisciplinary University Research Initiative program under Grant No. DAAD19-00-1-0374. A.H. acknowledges financial support from the NSF.Files
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Additional details
- Eprint ID
- 3218
- Resolver ID
- CaltechAUTHORS:HOPpra04
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2006-05-23Created from EPrint's datestamp field
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