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Phys. Rev. Lett. 91, 233201 (2003) [4 pages]

Trapping and Manipulating Neutral Atoms with Electrostatic Fields

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P. Krüger1,*, X. Luo1, M. W. Klein1, K. Brugger1, A. Haase1, S. Wildermuth1, S. Groth1, I. Bar-Joseph2, R. Folman1, and J. Schmiedmayer1
1Physikalisches Institut, Universität Heidelberg, 69120 Heidelberg, Germany
2Department of Condensed Matter Physics, The Weizmann Institute of Science, Rehovot 76100, Israel

Received 17 June 2003; published 2 December 2003

We report on experiments with cold thermal 7Li atoms confined in combined magnetic and electric potentials. A novel type of three-dimensional trap was formed by modulating a magnetic guide using electrostatic fields. We observed atoms trapped in a string of up to six individual such traps, a controlled transport of an atomic cloud over a distance of 400  μm, and a dynamic splitting of a single trap into a double well potential. Applications for quantum information processing are discussed.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.91.233201
DOI:
10.1103/PhysRevLett.91.233201
PACS:
39.90.+d, 03.75.Be

*Corresponding author.

Electronic addresses: krueger@physi.uni-heidelberg.de; http://www.atomchip.net