Title: CALCULATION METHOD FOR THE THREE-DIMENSIONAL ISING FERROMAGNET
THERMODYNAMICS WITHIN THE FRAMES OF rho^6 MODEL
Authors: M.P.Kozlovskii, I.V.Pylyuk, V.V.Dukhovii (Institute for Condensed Matter Physics of the Ukrainian National Academy of Sciences, 1 Svientsitskii St., UA-290011 Lviv, Ukraine)
Calculation of thermodynamic functions of the three-dimensio\-nal Ising ferromagnet above and below critical temperature is performed in the approximation of sixfold basis distribution (rho^6 model). Comparison with the results for the rho^4 model indicates that dependence of the thermodynamic functions on the renormalization group parameter $s$ becomes weaker. The optimal interval of the renormalization group parameter values is determined.
Comments: Figs. 9, Refs. 32, Tabs. 10.
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