Multiple frequency generation by bunched solitons in Josephson tunnel junctions

P. S. Lomdahl, O. H. Sørensen, Peter Leth Christiansen, A. C. Scott, J. C. Eilbeck

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    A detailed numerical study of a long Josephson tunnel junction modeled by a perturbed sine-Gordon equation demonstrates the existence of a variety of bunched soliton configurations. Thus, on the third zero-field step of the V-I characteristic, two simultaneous adjacent frequencies are generated in a narrow bias current range. The analysis of the soliton modes provides an explanation of recent experimental observations.
    Original languageEnglish
    JournalPhysical Review B
    Issue number12
    Pages (from-to)7460-7462
    Publication statusPublished - 1981

    Bibliographical note

    Copyright (1981) by the American Physical Society.


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