Electron spin resonance studies of the enhanced rotation and the fractional Debye-Stokes-Einstein law in polymeric liquid crystals

被引：11

作者：

Andreozzi, L

Di Schino, A

Giordano, M

Leporini, D

机构：

[1] Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy

[2] Ist Nazl Fis Mat, UdR, Pisa, Italy

来源：

PHILOSOPHICAL MAGAZINE B-PHYSICS OF CONDENSED MATTER STATISTICAL MECHANICS ELECTRONIC OPTICAL AND MAGNETIC PROPERTIES | 1998年 / 77卷 / 02期

关键词：

D O I：

10.1080/13642819808204983

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We investigated the rotational dynamics of molecular tracers dissolved in a polymeric mesophase using two magnetic resonance spectroscopies. It is found that the coupling between the reorientation and the viscous flow is partial and well described by the fractional Debye-Stokes-Einstein law tau proportional to eta(xi) with 0 < xi less than or equal to 1, tau and eta being the rotational correlation times of the tracers and the viscosity respectively.

引用

页码：547 / 556

页数：10

共 26 条

[1] A study of the Debye-Stokes-Einstein law in supercooled fluids [J].