NONUNIVERSAL DYNAMICAL CROSSOVER IN PURE AND BINARY FLUIDS NEAR A CRITICAL-POINT

被引:47
作者
FOLK, R [1 ]
MOSER, G [1 ]
机构
[1] SALZBURG UNIV,INST PHYS & BIOPHYS,A-5020 SALZBURG,AUSTRIA
关键词
D O I
10.1103/PhysRevLett.75.2706
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We compare the results of dynamical renormalization group theory with experiments in the nonasymptotic region at second order phase transitions in liquids and mixtures. Agreement is found with a parameter free prediction of the full temperature dependence of transport coefficients and first sound attenuation after fitting one transport coefficient (e.g., shear viscosity). Differences in the nonuniversal behavior between fluids and mixtures appear due to the flow of a dynamical parameter neglected in the mixtures so far.
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页码:2706 / 2709
页数:4
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