The emergence of resonating valence bond physics in spin-orbital models

F. Mila, F. Vernay, A. Ralko, F. Becca, P. Fazekas, K. Penc

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We discuss how orbital degeneracy, which is usually removed by a cooperative Jahn-Teller distortion, could under appropriate circumstances lead rather to a resonating valence bond spin-orbital liquid. The key points are: (i)the tendency to form spin-orbital dimers, a tendency already identified in several cases; (ii)mapping onto quantum dimer models, which have been shown to possess resonating valence bond phases on the triangular lattice. How this programme can be implemented is explained in some detail starting from a microscopic model of LiNiO2.

Original languageEnglish
Article number145201
JournalJournal of Physics Condensed Matter
Issue number14
Publication statusPublished - Apr 11 2007


ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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