Josephson vortices with fractional flux quanta at (formula presented) grain boundaries

R. G. Mints, Ilya Papiashvili

Research output: Contribution to journalArticlepeer-review

Abstract

We report numerical simulations of magnetic flux patterns in asymmetric (formula presented) [001]-tilt grain boundaries in (formula presented) superconducting films. The grain boundaries are treated as Josephson junctions with a critical current density (formula presented) alternating rapidly along the junctions with a typical length scale which is much less than Josephson penetration depth. We demonstrate the existence of Josephson vortices with fractional flux quanta for both periodic and random (formula presented) A method is proposed to extract these “fractional” vortices from experimental flux patterns.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume64
Issue number13
DOIs
StatePublished - 2001

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