Shapiro steps in Josephson junctions with alternating critical current density

M. Moshe*, R. G. Mints

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We treat theoretically Shapiro steps in tunnel Josephson junctions with spatially alternating critical current density. Explicit analytical formulas for the width of the first integer (normal) and half-integer (anomalous) Shapiro steps are derived for short junctions. We develop a coarse-graining approach, which describes Shapiro steps in the voltage-current curves of the asymmetric grain boundaries in yttrium barium copper oxide thin films and different superconductor-ferromagnet-superconductor Josephson-type heterostructures.

Original languageEnglish
Article number054518
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number5
DOIs
StatePublished - 23 Aug 2007

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