Maximal persistent current in a type-II superconductor with an artificial pinning array at the matching magnetic field

Rosenstein Baruch*, I. Shapiro, B. Ya Shapiro

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

The current carrying steady state of the pinned flux line lattice created by magnetic field is described. We calculate analytically the critical current for the case of the matching field (when the number of vortices is equal to that of the pinning centers) using a simple variational method in the framework of Ginzburg-Landau equations. The vortex cores are deformed and displaced in the current carrying state. Displacement of the centers of the vortices with respect to pinning centers and structure of these states are determined.

Original languageEnglish
Article number064507
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume81
Issue number6
DOIs
StatePublished - 17 Feb 2010

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