Mixed-symmetry superconductivity in two-dimensional Fermi liquids

K. Musaelian, J. Betouras, A. Chubukov, R. Joynt

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

We consider a two-dimensional (2D) isotropic Fermi liquid with attraction in both s and d channels and examine the possibility of a superconducting state with mixed s and d symmetry of the gap function. We show that both in the weak-coupling limit and at strong coupling, a mixed s+id symmetry state is realized in a certain range of interaction. Phase transitions between the mixed and the pure symmetry states are second order. We also show that there is no stable mixed s+d symmetry state at any coupling.

Original languageEnglish (US)
Pages (from-to)3598-3603
Number of pages6
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume53
Issue number6
DOIs
StatePublished - 1996

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