Nonlocal Ginzburg-Landau theory for superconductors

T. Koyama, M. Machida

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


The conventional Ginzburg-Landau (GL) theory is extended to a nonlocal one. In this nonlocal GL theory the superconducting current becomes nonlocal. The magnetic field distribution calculated in the single vortex state indicates that the interaction between vortices has an attractive part in low-κ type II superconductors with κ < κc ∼ 1. The attractive interaction causes the first-order transition at Hc1.

Original languageEnglish
Pages (from-to)100-103
Number of pages4
JournalPhysica C: Superconductivity and its applications
Publication statusPublished - 2013 Jan 15


  • Attractive interaction
  • Ginzburg-Landau theory
  • Vortex

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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