New collective modes of interaction nature in inhomogeneous Ising networks

L. Šamaj, J. K. Percus

Research output: Contribution to journalArticle

Abstract

We propose a vertex formulation of the Ising model with inhomogeneous external field on multiconnected networks possessing a superbond structure. The related technique based on gauge degrees of freedom enables us to recognize new collective modes of interaction nature, which provide an exact solution of the inverse profile problem and an explicit form of a local free-energy functional on an extended magnetization-mode space. Application is made to a square strip.

Original languageEnglish (US)
Pages (from-to)235-251
Number of pages17
JournalJournal of Statistical Physics
Volume73
Issue number1-2
DOIs
StatePublished - Oct 1993

Keywords

  • Inhomogeneous Ising network
  • collective modes
  • free energy functional
  • profile equation

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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