Superconducting gap equation for strongly energy dependent gap functions

R. Englman*, M. Weger, B. Halperin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A two-band model consisting of dθ and dε{lunate} states, for the HTSC cuprates, leads to a negative value of the McMillan coupling constant λ. With a Frohlich-type potential, this yields physically acceptable, oscillating solutions for the gap function. We use the Green's function method to justify the use of this kernel. Properties of the solution are summarized.

Original languageEnglish
Pages (from-to)1339-1340
Number of pages2
JournalPhysica C: Superconductivity and its Applications
Volume162-164
Issue numberPART 2
DOIs
StatePublished - Dec 1989

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