Series expansion and CAM study of the nonuniversal behavior of the symmetric 16-vertex model

M. Kolesík, L. Šamaj

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

The phase diagram and the critical indices are investigated for the symmetric 16-vertex model on the square lattice by combining a variational series expansion and the coherent anomaly method. The nonuniversal critical exponents smoothly interpolate between two exactly solvable cases, namely the Baxter eight-vertex model and the Ising model.

Original languageEnglish (US)
Pages (from-to)1203-1226
Number of pages24
JournalJournal of Statistical Physics
Volume72
Issue number5-6
DOIs
StatePublished - Sep 1 1993
Externally publishedYes

Keywords

  • Vertex model
  • coherent anomaly method
  • critical behavior
  • nonuniversality
  • series expansion

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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