On the energy of superconductors in large and small domains

Matthias Kurzke, Daniel Spirn

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We study the Ginzburg-Landau energy functional for superconductors in an applied magnetic field. We focus on asymptotically large or small domains and establish the asymptotic behavior of the energy as a function of the Ginzburg-Landau parameter, applied magnetic field, and domain size. For a large class of domain sizes, we calculate the critical field strength where vortex nucleation becomes energetically favorable, and describe the vorticity of minimizers. For supercritical magnetic field strengths, we recover the energy of a classical Abrikosov vortex lattice. Our findings generalize several known results of Sandier and Serfaty for domains of fixed size.

Original languageEnglish (US)
Pages (from-to)2077-2104
Number of pages28
JournalSIAM Journal on Mathematical Analysis
Volume40
Issue number5
DOIs
StatePublished - Oct 23 2009

Keywords

  • Asymptotics
  • Critical field
  • Ginzburg-Landau
  • Vortices

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