Boundary Free Energy in the Lattice Model. II. Applications of the General Formula
作者： Ryoichi Kikuchi
DOI: 10.1063/1.1678316
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摘要: The general expression for the boundary free energy σ derived in Paper I is calculated square‐lattice Ising model using pair and square‐angle approximations of cluster variation method both 〈 10 〉 11 boundary. As approximation improved, vs T curves show tendency approaching Onsager's exact result, although further examinations better are desirable. It shown that even approximate calculations, critical point exponent μ ∼(Tc–T)μ unity, which same as value.
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