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Journal of Statistical Physics

, Volume 19, Issue 6, pp 623–632 | Cite as

Exact results for the Potts model in two dimensions

  • A. Hintermann
  • H. Kunz
  • F. Y. Wu
Articles

Abstract

By considering the zeros of the partition function, we establish the following results for the Potts model on the square, triangular, and honeycomb lattices: (i) We show that there exists only one phase transition; (ii) we give an exact determination of the critical point; (iii) we prove the exponential decay of the correlation functions, in one direction at least, for all temperatures above the critical point. The results are established forq ⩾ 4, whereq is the number of components.

Key words

Potts model critical point zeros of partition function correlation function 

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Copyright information

© Plenum Publishing Corporation 1978

Authors and Affiliations

  • A. Hintermann
    • 1
  • H. Kunz
    • 2
  • F. Y. Wu
    • 3
  1. 1.Swiss Institute for Nuclear Research (SIN)VilligenSwitzerland
  2. 2.Laboratoire de Physique ThéoriqueEcole Polytechnique FédéraleLausanneSwitzerland
  3. 3.Department of PhysicsNortheastern UniversityBostonMassachusetts

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