Trapping and Manipulating Neutral Atoms With Electrostatic Fields

2003  Physical Review Letters   91   3201 

P. Kruger, X. Luo, M. W. Klein, K. Brugger, A. Haase, S. Wildermuth, S. Groth, I. Bar-Joseph, R. Folman, and J. Schmiedmayer

Abstract: We report on experiments with cold thermal Li-7 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 mum, and a dynamic splitting of a single trap into a double well potential. Applications for quantum information processing are discussed.

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