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Journal of Statistical Physics

, Volume 79, Issue 5–6, pp 969–992 | Cite as

Pathological behavior of renormalization-group maps at high fields and above the transition temeprature

  • Aernout C. D. van Enter
  • Roberto Fernández
  • Roman Kotecký
Articles

Abstract

We show that decimation transformations applied to high-q Potts models result in non-Gibbsian measures even for temperatures higher than the transition temperature. We also show that majority transformations applied to the Ising model in a very strong field at low temperatures produce non-Gibbsian measures. This shows that pathological behavior of renormalization-group transformations is even more widespread than previous examples already suggested.

Key Words

Non-Gibbsian measures real-space renormalization complete analyticity majority-rule decimation 

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Copyright information

© Plenum Publishing Corporation 1995

Authors and Affiliations

  • Aernout C. D. van Enter
    • 1
  • Roberto Fernández
    • 2
    • 3
  • Roman Kotecký
    • 4
    • 5
  1. 1.Institute for Theoretical PhysicsRijksuniversiteit GroningenGroningenThe Netherlands
  2. 2.Institut de Physique ThéoriqueEcole Polytechnique Fédérale de Lausanne, PHB-EcublensLausanneSwitzerland
  3. 3.Facultad de Mathemática Astronomía y FísicaUniversidad Nacional de Córdoba, Ciudad UniversitariaCórdobaArgentina
  4. 4.CPT CNRSMarseille Cedex 9France
  5. 5.Center for Theoretical StudyCharles UniversityPrague 1Czech Republic

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