Flux flow in high-Tc Josephson junctions

G. Filatrella, Niels Falsig Pedersen

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Abstract

The possibility of achieving fluxon nucleation in nonhysteretic high-T(c) Josephson junctions due to the presence of inhomogeneities is investigated numerically. For a large range of parameters the I- V characteristics in presence of such discontinuities show a strong similarity with those obtained experimentally. The spatial inhomogeneities considered are on the scale of the Josephson penetration depth (mum). It is demonstrated that the topic is of interest for the construction of amplifiers. Thus when fluxons are generated the resulting flux flow regime proves to be much more sensitive than the uniform solution to external fields.
Original languageEnglish
JournalApplied Physics Letters
Volume63
Issue number10
Pages (from-to)1420-1422
ISSN0003-6951
DOIs
Publication statusPublished - 1993

Bibliographical note

Copyright (1993) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics

Keywords

  • GRAIN-BOUNDARIES
  • DYNAMICS

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