New Type of Phase Transition in an Antiferromagnetic Ising Model on a Stacked Triangular Lattice by the Interface Method

  • K. Mitsubo
  • Gang Sun
  • Y. Ueno
Part of the Springer Series in Synergetics book series (SSSYN, volume 43)

Abstract

The antiferromagnetic (AF) Ising model on a stacked triangular lattice (a hexagonal loose packed one) has been of considerable interest as a model of compound CsCoCI3 which exhibits extraordinary phase transitions, but not well elucidated yet[1]. In the triangular layers besides AF couplings between nearest neighbors (nn) −J 1 (<0), it has ferromagnetic (F) couplings J 2 between next nn, and F couplings J 0 between the layers. In this article we briefly give preliminary results and further study will be given elsewhere.

Keywords

Ising Model Triangular Lattice Universality Class Interface Free Energy Continuous Phase Transition 
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References

  1. 1.
    F. Matsubara: J. Phys. Soc. Jpn. 53, 4373 (1984) and references therein.CrossRefADSGoogle Scholar
  2. 2.
    Y. Ueno, G. Sun and I. Ono: submitting to J. Phys. Soc. Jpn.Google Scholar
  3. 3.
    M. Mekata: J. Phys. Soc. Jpn. 42, 76 (1977)CrossRefADSGoogle Scholar
  4. 4.
    Y. Ajiro: private communication.Google Scholar

Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • K. Mitsubo
    • 1
  • Gang Sun
    • 1
  • Y. Ueno
    • 1
  1. 1.Department of PhysicsTokyo Institute of TechnologyMeguro-ku, TokyoJapan

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