Mixed symmetry superconductivity in two-dimensional Fermi Liquids

K. Musaelian, Joseph Betouras, A.V. Chubukov, R. Joynt

Research output: Contribution to journalArticlepeer-review

101 Citations (Scopus)


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
Pages (from-to)3598-3603
Number of pages6
JournalPhysical Review. B, Condensed matter
Issue number6
Publication statusPublished - 1 Feb 1996




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