DIFFUSION AND STRUCTURE IN DENSE BINARY SUSPENSIONS

被引：58

作者：

KAPLAN, PD ^{[1
]}

YODH, AG ^{[1
]}

PINE, DJ ^{[1
]}

机构：

[1] EXXON RES & ENGN CO,ANNANDALE,NJ 08801

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 68卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.68.393

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Model colloids composed of two widely separated sizes of polystyrene spheres are studied at high volume fractions using an optical, multiple-scattering technique. These measurements probe hydrodynamic forces between unlike particles, as well as static, structural predictions made using the Percus-Yevick approximation. The dynamic data corroborate currently available hydrodynamic theories on very short length scales; the dynamic data also reveal a new, experimentally accessible range of intermediate length scales which currently available theories cannot explain.

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页码：393 / 396

页数：4

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