Self-Consistent Theory of Freezing of Systems Interacting through Long-Ranged Potentials
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概要
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A self-consistent theory of freezing which is applicable to systems interacting through long-ranged potentials is presented. It consists of a new formulation of the modified weighted-density approximation (MWDA) based on the idea of the thermodynamic perturbation approach, in which the potential is split into a short-range (reference) part and a long-range part. The MWDA is used separately for the excess free energy of the reference system and the remaining contribution due to the long-range part of the potential. When applied to the one-component plasma, the theory yields results which are in reasonable agreement with the simulation data. It also provides a possible explanation for the reason why the usual approach, in which the solid is mapped onto a single effective liquid, fails for systems with long-ranged potentials.
- 社団法人日本物理学会の論文
- 1993-12-15
著者
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HASEGAWA Masashi
Institute of Materials Research, Tohoku University
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Hasegawa M
Institute Of Materials Research Tohoku University
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Hasegawa Masayuki
Department Of Materials Science And Technology Faculty Of Engineering Iwate University
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