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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 14, Number 4
BKCSDE 14(4)
April 20, 1993 

Generalization of the Curie-Weiss Model to the D-dimensional Spin System
Hyung-June Woo, Eun Kyung Lee, Eok-Kyun Lee*
The critical behavior of the classical D-dimensional spin model (D≥2), which is intermediate model that link up the Ising (D = 1) and the spherical model (D = ∞), is studied for the case of constant coupling interaction independent of the spin-spin distance (Curie-Weiss model). Analytical results show that the critical behavior of the present model is in quantitative agreement with the prediction of the phenomenological mean-field theory independent of D. Critical temperature is calculated to be Tc=k/JD. This gives a quantitative explanation of the relationship between the spin degree of freedom and the critical temperature.
485 - 487
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