Manipulating Josephson junctions in thin-films by nearby vortices

V. G. Kogan, R. G. Mints*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

It is shown that a vortex trapped in one of the banks of a planar edge-type Josephson junction in a narrow thin-film superconducting strip can change drastically the dependence of the junction critical current on the applied field, Ic(H). When the vortex is placed at certain discrete positions in the strip middle, the pattern Ic(H) has zero at H=0 instead of the traditional maximum of '0-type' junctions. The number of these positions is equal to the number of vortices trapped at the same location. When the junction-vortex separation exceeds ∼W, the strip width, Ic(H) is no longer sensitive to the vortex presence. The same is true for any separation if the vortex approaches the strip edges.

Original languageEnglish
Pages (from-to)58-62
Number of pages5
JournalPhysica C: Superconductivity and its Applications
Volume502
DOIs
StatePublished - 15 Jul 2014

Funding

FundersFunder number
U.S. Department of Energy
Office of Science
Basic Energy Sciences
Iowa State UniversityDE-AC02-07CH11358
Division of Materials Sciences and Engineering

    Keywords

    • Josephson junctions
    • Thin films
    • vortices

    Fingerprint

    Dive into the research topics of 'Manipulating Josephson junctions in thin-films by nearby vortices'. Together they form a unique fingerprint.

    Cite this