Static properties of small Josephson tunnel junctions in an oblique magnetic field

Roberto Monaco, Morten Aarøe, Jesper Mygind, V. P. Koshelets

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We have carried out a detailed experimental investigation of the static properties of planar Josephson tunnel junctions in presence of a uniform external magnetic field applied in an arbitrary orientation with respect to the barrier plane. We considered annular junctions, as well as rectangular junctions (having both overlap and cross-type geometries) with different barrier aspect ratios. It is shown how most of the experimental findings in an oblique field can be reproduced invoking the superposition principle to combine the classical behavior of electrically small junctions in an in-plane field together with the small junction behavior in a transverse field that we recently published [R. Monaco , J. Appl. Phys. 104, 023906 (2008)]. We show that the presence of a transverse field may have important consequences, which could be either voluntarily exploited in applications or present an unwanted perturbation.
Original languageEnglish
JournalPhysical Review B Condensed Matter
Issue number14
Pages (from-to)144521
Publication statusPublished - 2009


  • magnetic field effects
  • Josephson effect
  • penetration depth (superconductivity)
  • critical current density (superconductivity)

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