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<p>Using molecular dynamics simulations, the ratio of ternary to binary collision densities is investigated for both a hard-sphere gas and a Lennard-Jones gas. The simulations confirm the existing theoretical models for the hard-sphere gas but reveal temperature dependence of collision density ratio in a Lennard-Jones gas. A theoretical model is developed to explain this temperature dependence.</p>

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A Molecular Dynamics Investigation of the Ratio of Ternary to Binary Collision Density in Nonideal Gases

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年2月2日

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  • Pirooz Mohazzabi,
  • Nathan Hugh Jones

摘要

Using molecular dynamics simulations, the ratio of ternary to binary collision densities is investigated for both a hard-sphere gas and a Lennard-Jones gas. The simulations confirm the existing theoretical models for the hard-sphere gas but reveal temperature dependence of collision density ratio in a Lennard-Jones gas. A theoretical model is developed to explain this temperature dependence.