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Configurational Entropy,Diffusivity and Potential Energy Landscape in Liquid Argon

         

摘要

The configurational entropy, diffusion coefficient, dynamics and thermodynamics fragility indices of liquid argon are calculated using molecular dynamics simulations at two densities. The relationship between dynamics and thermodynamics properties is studied. The diffusion coefficient depends linearly on configurational entropy, which is consistent with the hypothesis of Adam-Gibbs. The consistence of dynamics and thermodynamics fragility indices demonstrates that dynamical behaviour is governed by thermodynamics behaviour in glass transition of liquid argon.

著录项

  • 来源
    《中国物理快报:英文版》 |2009年第1期|220-222|共3页
  • 作者单位

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

    Heilongjiang Key Laboratory for Advanced Functional Materials and Excited State Process, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 物理学;
  • 关键词

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