Magnetic instabilities in unconventional superconductors

Mario Palumbo*, Paul Muzikar, J. A. Sauls

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We discuss how an unconventional superconductor, in zero applied magnetic field, can be subject to a magnetic instability if the parameters in the Ginzburg-Landau functional are in the appropriate range. In the instability, the order parameter distorts and generates a supercurrent; this supercurrent generates a magnetic field, which then lowers the free energy through its interaction with the order parameter. We discuss the compatibility of this instability with the fundamental constraints on the parameters in the free-energy functional.

Original languageEnglish (US)
Pages (from-to)2681-2683
Number of pages3
JournalPhysical Review B
Issue number4
StatePublished - 1990

ASJC Scopus subject areas

  • Condensed Matter Physics


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