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Magnetic Flux Lines in Complex Geometry Type-II Superconductors Studied by the Time Dependent Ginzburg-Landau Equation

Research paper by Tommy Sonne Alstrøm, Mads Peter Sørensen, Niels Falsig Pedersen, Søren Madsen

Indexed on: 14 Aug '10Published on: 14 Aug '10Published in: Acta Applicandae Mathematicae



Abstract

The time-dependent Ginzburg-Landau equation is solved numerically for type-II superconductors of complex geometry using the finite element method. The geometry has a marked influence on the magnetic vortex distribution and the vortex dynamics. We have observed generation of giant vortices at boundary defects, suppressing the superconducting state far into the superconductor.