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Journal of Statistical Physics

, Volume 9, Issue 1, pp 23–44 | Cite as

Phase transition of hard hexagons on a triangular lattice

  • Ole J. Heilmann
  • Eigil Praestgaard
Articles

Abstract

Systems of hard hexagons on a triangular lattice are investigated. The orientation of the hexagons is kept fixed, while the size of the hexagons is varied. The existence of a phase transition is proved for all sizes by means of the Peierls'argument. The proof does not imply a phase transition in the continuous limit.

Key words

Lattice gas phase transition Peierls' argument 

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Copyright information

© Plenum Publishing Corporation 1973

Authors and Affiliations

  • Ole J. Heilmann
    • 1
  • Eigil Praestgaard
    • 1
  1. 1.Department of Chemistry, H. C. Ørsted InstituteUniversity of CopenhagenCopenhagenDenmark

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