Possible d-like symmetry pairing states in the extended hubbard model

Zsolt Szabó, Zsolt Gulácsi

Research output: Contribution to journalArticle

1 Citation (Scopus)


Superconducting phases of the extended Hubbard model has been investigated in the weak-coupling limit at different temperatures and doping levels in the presence of on-site, nearest-neighbour and next-nearest-neighbour couplings. The main result is the occurrence of stable pairingstates of different symmetries depending on the tunable parameters of the model; Attractive nearest-neighbour couplings give rise to a stable superconducting state having dxr y2 symmetry, while attractive next-nearest-neighbour interactions favour pairing states of dxy symmetry.

Original languageEnglish
Pages (from-to)833-837
Number of pages5
JournalPhilosophical Magazine B: Physics of Condensed Matter; Statistical Mechanics, Electronic, Optical and Magnetic Properties
Issue number5
Publication statusPublished - Nov 1997

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Physics and Astronomy(all)

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