Why the anisotropic planar rotor model is nearly second order

S. T. Milner, A. L. Frischknecht

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Anisotropic planar rotor (APR) phase transition was shown to be weakly first order because of nearby tricritical point. The APR model was mapped onto a generalized Potts model, in which there were two types of unfavorable bonds with different energies. Phase behavior of generalized model as a function of the two bond energies by Monte Carlo simulation was investigated. A line of transitions connecting the six state Potts model to a point with three-state Potts model behavior were also identified.

Original languageEnglish (US)
Pages (from-to)9733-9740
Number of pages8
JournalJournal of Chemical Physics
Volume114
Issue number22
DOIs
StatePublished - Jun 8 2001

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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