Spin gap in generalized spin models with dimerization and the model for CaV4O9

Nobuyuki Katoh, Masatoshi Imada

Research output: Contribution to journalArticle

Abstract

Mechanisms of spin-gap formation in two-dimensional Mott insulators are investigated. The origin of the spin gap is analyzed as a dimer gap in generalized Heisenberg models with dimerization, while it is interpreted as the plaquette singlet gap in CaV4O9.

Original languageEnglish
Pages (from-to)114-117
Number of pages4
JournalPhysica C: Superconductivity and its applications
Volume263
Issue number1-4
DOIs
Publication statusPublished - 1996 May

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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