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Nonsinusoidal current-phase relation in SFS Josephson junctions

  • A. A. Golubov
  • M. Yu. Kupriyanov
  • Ya. V. Fominov
Methods of Theoretical Physics

Abstract

Various types of current-phase relation I(ϕ) in superconductor-ferromagnet-superconductor (SFS) point contacts and planar double-barrier junctions are studied within the quasi-classical theory in the limit of thin diffusive ferromagnetic interlayers. The physical mechanisms leading to highly nontrivial I(ϕ) dependence are identified by studying the spectral supercurrent density. These mechanisms are also responsible for the 0-π transition in SFS Josephson junctions.

PACS numbers

74.50.+r 74.80.−g 

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Copyright information

© MAIK "Nauka/Interperiodica" 2002

Authors and Affiliations

  • A. A. Golubov
    • 1
  • M. Yu. Kupriyanov
    • 2
  • Ya. V. Fominov
    • 1
    • 3
  1. 1.Department of Applied PhysicsUniversity of TwenteEnschedeThe Netherlands
  2. 2.Nuclear Physics InstituteMoscow State UniversityVorob’evy Gory, MoscowRussia
  3. 3.Landau Institute for Theoretical PhysicsRussian Academy of SciencesMoscowRussia

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