Properties of an Ideal Three-Mode Model for the Dynamics of Supercooled Liquids
Properties of an Ideal Three-Mode Model for the Dynamics of Supercooled Liquids
复制标题
过冷液体动力学理想三模模型的性质
DOI：
10.1143/jpsj.66.3134
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发表时间：
1997
影响因子：
1.7
通讯作者：
T. Odagaki
中科院分区：
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作者：
M. Higuchi;T. Odagaki
提出了一个理想的三模模型，该模型由两种随机运动组成，即非囚禁和囚禁动力学，以及一个振荡器，用于解释过冷液体的动力学行为特征。得到了中间散射函数和广义极化率，表明该模型较好地再现了过冷液体的动力学特性。磁化率的Cole-Cole图显示在实轴的负侧有一个肩部的两个半圆。由于振荡运动的贡献，非高斯参数有两个峰值。
An ideal three-mode model is proposed which consists of two types of stochastic motions, nontrapped and trapped dynamics, and an oscillation to explain the characteristics of the dynamical behavior of supercooled liquids. The intermediate scattering function and the generalized susceptibility are obtained to show this model reproduces the dynamical characteristics of supercooled liquids. The Cole-Cole plot of the susceptibility shows two-semi circles with a shoulder in the negative side of the real axis. The non-Gaussian parameter is shown to have two peaks due to the contribution of the oscillatory motion.
T.Odagaki：“简单经典液体玻璃化转变的随机模型”Phys.Rev.A。
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