Fluxons and their interactions in a system of three stacked Josephson junctions

Carlos Corria, Peter Leth Christiansen, Yuri Borisovich Gaididei, Virginia Muto, Niels Falsig Pedersen, Mads Peter Sørensen

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Abstract

Fluxon dynamics in a system of three coupled driven damped sine-Gordon equations is investigated. Bunching of fluxons is observed. It is shown that fluxon-fluxon-fluxon bound states exist in a certain interval of the fluxon velocity. Attraction between fluxons occurs as a result of indirect fluxon-fluxon interaction mediated by Swihart waves. To tackle the problem analytically a piece-wise linear approach is developed. The analytical approximations show good agreement with the results obtained by direct numerical simulations.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Volume68
Issue number3
Pages (from-to)035415
ISSN0163-1829
DOIs
Publication statusPublished - 2003

Bibliographical note

Copyright (2003) American Physical Society.

Keywords

  • BUNCHED FLUXONS
  • SURFACE LOSSES
  • Josephson junctions
  • SINGLE-CRYSTALS
  • ANALYTIC SOLUTION
  • CHERENKOV RADIATION
  • PHASE-LOCKING
  • SINE-GORDON SYSTEMS
  • SOLITONS
  • DYNAMICS
  • FLOW OSCILLATORS

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