Dynamics of Eckhaus modes in one-dimensional electroconvection patterns in nematics

被引：3

作者：

Hidaka, Y ^{[1
]}

Hayashi, K ^{[1
]}

Tribelsky, MI ^{[1
]}

Kai, S ^{[1
]}

机构：

[1] UNIV TOKYO,SCH MATH SCI,TOKYO 153,JAPAN

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1997年 / 302卷

关键词：

D O I：

10.1080/10587259708041848

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The quantitative experimental study of the Eckhaus instability in one-dimensional systems is carried out, employing electrohydrodynamic convection in a nematic layer. The obtained Busse balloon is in good agreement with that predicted by the Eckhaus theory. However, the observed changes of the wavenumber for unstable roll patterns, caused by the Eckhaus instability, as well as the growth rates for the corresponding spatial modes differ dramatically from those the theory yields for the most unstable Eckhaus modes. Possible reasons for the disagreement are discussed.

引用

页码：357 / 362

页数：6

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