1ST-OBSERVATION OF CAPILLARY TO RAYLEIGH MODE CROSSOVER ON THE SURFACE OF POLYMER-SOLUTIONS

被引：33

作者：

DORSHOW, RB ^{[1
]}

TURKEVICH, LA ^{[1
]}

机构：

[1] CASE WESTERN RESERVE UNIV,DEPT PHYS,CLEVELAND,OH 44106

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.70.2439

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using surface laser light scattering spectroscopy, we have observed for the first time the crossover from capillary to Rayleigh (elastic) surface fluctuations on polymer solutions. At low polymer concentrations c < c * solutions of polyisobutylene in hexane exhibit ordinary capillary waves on the free surface; at higher concentrations c > c* the capillary mode evolves into a Rayleigh mode. The surface laser light scattering data is quantitatively discussed within the context of recent theory.

引用

页码：2439 / 2442

页数：4

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