Effect of variation of facets size on fractional flux vortices at asymmetric grain boundaries in YBCO films

R. G. Mints*, Ilya Papiashvili

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

We consider numerically unquantized Josephson vortices at asymmetric grain boundaries in YBCO films. The study is focused on the effect of random variations of facets size on the values of fractional flux carried by these vortices. The grain boundaries are treated as Josephson junctions with a critical current density alternating along the junctions with a typical length-scale of order of the facets size. Numerical simulations demonstrate that the value of the flux of the unquantized vortices varies along the junction depending on the local Josephson properties of the grain boundaries.

Original languageEnglish
Pages (from-to)713-714
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume388-389
DOIs
StatePublished - May 2003
Eventproceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: 20 Aug 200227 Aug 2002

Keywords

  • High-temperature superconductivity
  • Josephson vortices
  • d-wave symmetry

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