Localized Instantaneous Normal Modes in Liquid Na

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概要

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• The instantaneous-normal-mode (INM) densities of states for liquid Na in four realistic thermodynamic states are obtained by molecular-dynamic simulation. Through the study of the size dependence for the average number of the excited particles in an INM, we show that the INMs in the high-frequency end of each lobe are localized modes. By examining the projection components of the eigenvector of a localized INM on each particle, we show that the localized INM indeed has only one excited center at the particle with the largest projection component and the spatial size of the localization extends to the first nearest neighbor shell from the central particle. We also give a scenario of how a localized INM becomes an extended INM as the frequency decreases.

• 理論物理学刊行会の論文
• 1997-06-27

著者

• Wu Ten-ming

  Institute Of Physics National Chiao-tung University

• TSAY Shiow-Fon

  Department of Physics, National Sun Yat-Sen University

• Tsay Shiow-fon

  Department Of Physics National Sun Yat-sen University

• WU Ten-Ming

  Institute of Physics, National Chiao-Tung University

関連論文

• Localized Instantaneous Normal Modes in Liquid Na
• Crystal-Field and Strain Effects on Minimum-Spin-Splitting Surfaces in Bulk Wurtzite Materials

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