玻璃形成液体中动态转变的普遍性：一个“神奇”的弛豫时间。
Universality of the dynamic crossover in glass-forming liquids: a "magic" relaxation time.
作者信息
Novikov V N, Sokolov A P
机构信息
Department of Polymer Science, The University of Akron, Akron, Ohio 44325-3909, USA.
出版信息
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Mar;67(3 Pt 1):031507. doi: 10.1103/PhysRevE.67.031507. Epub 2003 Mar 28.
PMID:12689073
Abstract
Analysis of experimental data on the structural relaxation time tau(alpha) in various glass formers revealed its universality at the critical temperature T(c) of the mode-coupling theory. In most glass formers studied ln tau(alpha)(T(c))=-(6.5-7.5). Possible reasons for such a universality are discussed.
摘要
对各种玻璃形成体中结构弛豫时间τ(α)的实验数据进行分析后发现，在模式耦合理论的临界温度T(c)下，它具有普遍性。在大多数所研究的玻璃形成体中，ln τ(α)(T(c)) = -(6.5 - 7.5)。文中讨论了这种普遍性的可能原因。
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