Tunable spin–spin interactions and entanglement of ions in separate potential wells

A. C. Wilson (), Y. Colombe, K. R. Brown, E. Knill, D. Leibfried and D. J. Wineland
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A. C. Wilson: National Institute of Standards and Technology, 325 Broadway
Y. Colombe: National Institute of Standards and Technology, 325 Broadway
K. R. Brown: Georgia Tech Research Institute, 400 10th Street Northwest
E. Knill: National Institute of Standards and Technology, 325 Broadway
D. Leibfried: National Institute of Standards and Technology, 325 Broadway
D. J. Wineland: National Institute of Standards and Technology, 325 Broadway

Nature, 2014, vol. 512, issue 7512, 57-60

Abstract: The ability of individual ions trapped in separate potential wells to simulate spin–spin interactions is demonstrated by tuning the Coulomb interaction between two ions, independently controlling their local wells and entangling their internal states with a fidelity of approximately 0.82.

Date: 2014
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DOI: 10.1038/nature13565

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