The interaction of a Josephson fluxon with an external magnetic field-induced potential in a long Josephson junction is investigated experimentally. The thermal activation of the fluxon from a potential well is observed and experiments probing its predicted quantum properties are discussed. A method for engineering a magnetic double-well potential for a fluxon is proposed and the use of the coupled fluxon states for quantum computation is suggested.
CITATION STYLE
Wallraff, A., Koval, Y., Levitchev, M., Fistul, M. V., & Ustinov, A. V. (2000). Annular Long Josephson Junctions in a Magnetic Field: Engineering and Probing the Fluxon Interaction Potential. Journal of Low Temperature Physics, 118(5–6), 543–553. https://doi.org/10.1023/a:1004674908169
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