Annular Vortex Solutions to the Landau-Ginzburg Equations in Mesoscopic Superconductors

Details Annular Vortex Solutions to the Landau-Ginzburg Equations in Mesoscopic Superconductors Annular Vortex Solutions to the Landau-Ginzburg Equations in Mesoscopic Superconductors

1999-08-30

arxiv.org/abs/cond-mat/9908451v1

Phys.Lett. A267 (2000) 56-65

Physics

Condensed Matter

Superconductivity

12 pages, LaTeX, 2 Postscript figures

Scientific paper

10.1016/S0375-9601(00)00062-1

New vortex solutions to the Landau-Ginzburg equations are described. These configurations, which extend the well known Abrikosov and giant magnetic vortex ones, consist of a succession of ring-like supercurrent vortices organised in a concentric pattern, possibly bound to a giant magnetic vortex then lying at their center. The dynamical and thermodynamic stability of these annular vortices is an important open issue on which hinges the direct experimental observation of such configurations. Nevertheless, annular vortices should affect indirectly specific dynamic properties of mesoscopic superconducting devices amenable to physical observation.

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