Gap-function symmetry and spin dynamics in electron-doped cuprate superconductors

C. S. Liu, W. C. Wu

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

An antiferromagnetic (AF) spin fluctuation induced pairing model is proposed for the electron-doped cuprate superconductors. It suggests that, similar to the hole-doped side, the superconducting gap function is monotonic d x2 - y2 wave and explains why the observed gap function has a nonmonotonic d x2 - y2 -wave behavior when an AF order is taken into account. Dynamical spin susceptibility is calculated and shown to be in good agreement with the experiment. This gives a strong support to the proposed model.

Original languageEnglish
Article number014513
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number1
DOIs
Publication statusPublished - 2007 Jul 19

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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