Interaction of a fluxon with an inductance step in a long Josephson junction

Yuri S. Kivshar, Boris A. Malomed

Research output: Contribution to journalArticlepeer-review

Abstract

Within the framework of the sine-Gordon model of a long Josephson junction, we have calculated a threshold value of bias current density which admits capture of a fluxon by an effective potential well generated by a step of inductance in the junction. Along with a kinematic approximation, a nontrivial dynamical correction is found. We have also calculated analytically energy emitted by a fast fluxon moving past the step.

Original languageEnglish
Pages (from-to)879-881
Number of pages3
JournalJournal of Applied Physics
Volume65
Issue number2
DOIs
StatePublished - 1989
Externally publishedYes

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