Preservation of Isotropy at the Mesoscopic Stage of Phase Separation Processes : Condensed Matter and Statistical Physics
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概要
- 論文の詳細を見る
A practical conservation law related to isotropy is proposed for the deterministic Cahn-Hilliard equation, i.e., the order parameter conserving TDGL model. In order to examine it a dipole moment of the order parameter distribution in a two dimensional system is numerically calculated by using the cell-dynamics method and is shown to remain microscopic even at the mesoscopic, scaling stage of the phase separation process. This fact is related to the k^4 law in small wavenumber region of the scaling form of the structure function. The characteristic length scale is also calculated directly in two ways, and the t^<l/3> law for its growth at the mesoscopic stage is confirmed with good accuracy.
- 理論物理学刊行会の論文
- 1991-01-25
著者
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Tomita Hiroyuki
Department Of Physics Kyoto University
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Tomita H
Kyoto Univ. Kyoto Jpn
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TOMITA Hiroyuki
College of General Education, Kyoto University
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Tomita Hiroyuki
Department Of Applied Physics Faculty Of Engineering Hokkaido University
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TOMITA Hiroyuki
Physics Laboratory, College of General Education Kyoto University
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