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Recent advances in fundamental understanding of glass transition

机译:对玻璃化转变的基本认识的最新进展

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摘要

Some examples of recent advances in experiment and theory that have impact on solution of the glass transition problem are briefly discussed. The fundamental importance of a special class of secondary relaxations called the Johari-Goldstein beta-relaxations becomes clear from the recent advances. The main part of the paper addresses a recent research problem, which is the purported anomalous temperature dependence of the relaxation time of another secondary (gamma) relaxation found by fitting dielectric relaxation data in several glass-formers. We show the anomalous T-dependence of this faster gamma-relaxation is caused by the influence exerted by the slower Johari-Goldstein beta-relaxation in the vicinity.
机译:简要讨论了影响玻璃化转变问题解决的实验和理论最新进展的一些例子。从最近的进展来看,一种名为Johari-Goldstein beta松弛的特殊类型的二次弛豫的根本重要性变得显而易见。本文的主要部分解决了最近的一个研究问题,即通过将介电弛豫数据拟合到多个玻璃形成器中而发现的另一次(γ)弛豫的弛豫时间的所谓异常温度依赖性。我们显示了这种更快的伽马松弛的异常T依赖性是由附近的较慢的Johari-Goldsteinβ松弛所施加的影响引起的。

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