Information Entropy and the Statistical Geometry of Two-Dimensional Liquids

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概要

• 論文の詳細を見る

• The Voronoi-Delaunay geometric approach to liquid structure is re-examined, using the formalism due to Kullback and Leibler to express the entropy of the liquid relative to that of a perfect gas. In a first approximation an equation of state is derived for an arbitrary pair potential, in which the configurational entropy contribution is given entirely by bond-length variation. For the particular case of a Lennard-Jones potential the results are shown to be in substantial agreement with those from Monte Carlo and molecular dynamics computer studies. In particular, the predicted T_c is within 5% of the accepted value. It is concluded that the entropy contribution from local fluctuations of atomic coordination is only dominant near an ordering phase transition.

• 理論物理学刊行会の論文
• 1987-07-25

著者

• OGAWA Tohru

  Institute of Applied Physics, University of Tsukuba

• Ogawa Tohru

  Institute Of Applied Physics University Of Tsukuba

• Collins Robert

  Institute Of Applied Physics University Of Tsukuba

• OGAWA Taeko

  Institute of Physics, University of Tsukuba

• COLLINS Robert

  Institute of Applied Physics, University of Tsukuba

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