Gradient expansion for the free energy of a clean superconductor

Research output: Contribution to journalArticle

Abstract

We describe a method for obtaining the gradient expansion for the free energy of a clean BCS superconductor. We present explicit results up to fourth order in the gradients of the order parameter.

Original languageEnglish (US)
Pages (from-to)9545-9557
Number of pages13
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume59
Issue number14
DOIs
StatePublished - Jan 1 1999

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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