Landau-Ginzburg theory for phase transitions in magnetic-superconducting sandwiches

Ora Entin-Wohlman*, Guy Deutscher, Shlomo Alexander

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


The phase diagram of a magnetic-superconducting sandwich below the Curie temperature of the magnetic side is considered. A coupling parameter between the two order parameters is determined from the microscopic properties. For strong coupling the superconducting transition is first order. It is shown that one is always in the weak-coupling limit when the magnetic material has localized spins.

Original languageEnglish
Pages (from-to)4854-4859
Number of pages6
JournalPhysical Review B-Condensed Matter
Issue number11
StatePublished - 1975


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