Fluxon density waves in long Josephson junctions

O. H. Olsen, A. V. Ustinov, Niels Falsig Pedersen

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Numerical simulations of the multiple fluxon dynamics stimulated by an external oscillating force applied at a boundary of a long Josephson junction are presented. The calculated IV characteristics agree well with a recent experimental observation of rf-induced satellite flux-flow steps. The voltage spacing between the satellites and the main flux-flow step corresponds to the second harmonic of the external frequency. We find that the satellite flux-flow modes are characterized by collective excitations propagating through the fluxon chain. These dynamical states can be interpreted as fluxon density waves.
Original languageEnglish
JournalPhysical Review B
Issue number17
Pages (from-to)13133-13136
Publication statusPublished - 1993

Bibliographical note

Copyright (1993) by the American Physical Society.



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