Simple liquids' quasiuniversality and the hard-sphere paradigm

被引:108
|
作者
Dyre, Jeppe C. [1 ]
机构
[1] Roskilde Univ, Dept Sci & Environm, IMFUFA, Glass & Time, Postbox 260, DK-4000 Roskilde, Denmark
基金
新加坡国家研究基金会;
关键词
liquids; quasiuniversality; hard-sphere system; exponentially repulsive pair potential; UNIVERSAL SCALING LAW; EQUATION-OF-STATE; PERTURBATION-THEORY; GLASS-TRANSITION; SELF-DIFFUSION; TRANSPORT-COEFFICIENTS; STATISTICAL-MECHANICS; EQUILIBRIUM STRUCTURE; PHASE-TRANSITIONS; ATTRACTIVE FORCES;
D O I
10.1088/0953-8984/28/32/323001
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
This topical review discusses the quasiuniversality of simple liquids' structure and dynamics and two possible justifications of it. The traditional one is based on the van der Waals picture of liquids in which the hard-sphere system reflects the basic physics. An alternative explanation argues that all quasiuniversal liquids to a good approximation conform to the same equation of motion, referring to the exponentially repulsive pair-potential system as the basic reference system. The paper, which is aimed at non-experts, ends by listing a number of open problems in the field.
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页数:22
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