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  • functional integrals  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of statistical physics 58 (1990), S. 355-370 
    ISSN: 1572-9613
    Keywords: Ising model ; Potts model ; functional integrals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A new path integral formulation for theq-state Potts model is proposed. This formulation reproduces known results for the Ising model (q=2) and naturally extends these results for arbitraryq. The mean field results for both the Ising and the Potts models are obtained as a leading saddle point contribution to the corresponding functional integrals, while the systematic computation of corrections to the saddle point contribution produces the Onsager reaction field terms, which forq=2 coincide with results already known for the Ising model.
    Type of Medium: Electronic Resource
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