Critical behavior of the correlation function of fluids composed of polar diatomic molecules.
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概要
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A critical behavior of fluids composed of polar diatomic molecules is studied by the use of the Ornstein–Zernike (OZ) theory of critical phenomena extended to the interaction site model. Firstly, the asymptotic forms of the atom–atom direct correlation functions <I>c</I><SUB>αγ</SUB>(<I>r</I>) for the polar fluids at large separation are obtained, which are valid off the critical point. Then, the OZ hypothesis that the asymptotic forms of <I>c</I><SUB>αγ</SUB>(<I>r</I>) do not change near and at the critical point is examined, and the critical behavior of the total correlation function is investigated. It is found to be completely analogous to the case of simple fluids. The relation between the OZ hypothesis and some integral equation theories is also discussed.
- 公益社団法人 日本化学会の論文
著者
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Arakawa Kiyoshi
Research Institute Of Applied Electricity Hokkaido University
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Ohba Masaharu
Research Institute Of Applied Electricity Hokkaido University
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