On some macroscopic models for type-II superconductivity

G. Akagi, M. Ôtani

Research output: Contribution to journalArticlepeer-review


This paper is concerned with a variational inequality with a time-dependent constraint, which arises from some macroscopic models of type-II superconductivity, as well as its approximate problems associated with generalized p-Laplace operators. We prove the existence and uniqueness of solutions for each problem by establishing an abstract theory for doubly nonlinear evolution equations governed by two time-dependent subdifferential operators in reflexive Banach spaces.

Original languageEnglish
Pages (from-to)e1155-e1166
JournalNonlinear Analysis, Theory, Methods and Applications
Issue number5-7
Publication statusPublished - 2005 Nov 30
Externally publishedYes


  • Bean's critical-state model
  • Doubly nonlinear evolution equation
  • Subdifferential operator

ASJC Scopus subject areas

  • Analysis
  • Applied Mathematics


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