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Current issue   Ukr. J. Phys. 2014, Vol. 58, N 7, p.687-696

    Paper

Starodub I.O., Zolotaryuk Y.

Bogolyubov Institute for Theoretical Physics, Nat. Acad. of Sci. of Ukraine
(14b, Metrolohichna Str., Kyiv 03143, Ukraine; e-mail: starodub@bitp.kiev.ua, yzolo@bitp.kiev.ua)

Fluxon Scattering on a Stripe-Like Impurity in a Two-Dimensional Josephson Junction

Section: Nonlinear processes
Original Author's Text: English

Abstract: The interaction of a soliton (fluxon) with a stripe-like inhomogeneity in a two-dimensional Josephson junction is studied. The radiation emitted due to the fluxon scattering on the impurity is calculated. The total radiation energy shows a distinct resonant dependence as a function of the fluxon velocity. The current-voltage characteristic of such a junction with a fluxon trapped in it is calculated. The signature of the emitted radiation on the current-voltage dependence is analyzed.

Key words: fluxon scattering, stripe-like impurity, two-dimensional Josephson junction.