Computational simulation of type-II superconductivity including pinning phenomena

Phys. Rev. B 51, 16194 – Published 1 June 1995
Qiang Du, Max D. Gunzburger, and Janet S. Peterson

Abstract

A flexible tool, based on the finite-element method, for the computational simulation of vortex phenomena in type-II superconductors has been developed. These simulations use refined or newly developed phenomenological models including a time-dependent Ginzburg-Landau model, a variable-thickness thin-film model, simplified models valid for high values of the Ginzburg-Landau parameter, models that account for normal inclusions and Josephson effects, and the Lawrence-Doniach model for layered superconductors. Here, sample results are provided for the case of constant applied magnetic fields. Included in the results are cases of flux pinning by impurities and by thin regions in films.

DOI: http://dx.doi.org/10.1103/PhysRevB.51.16194

  • Received 27 January 1995
  • Published in the issue dated 1 June 1995

© 1995 The American Physical Society

Authors & Affiliations

Qiang Du

  • Department of Mathematics, Michigan State University, East Lansing, Michigan 48824-1027

Max D. Gunzburger and Janet S. Peterson

  • Interdisciplinary Center for Applied Mathematics, Virginia Tech, Blacksburg, Virginia 24061-0531

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