Ising wall instability in a nematic liquid crystal

被引：11

作者：

Chevallard, C

Nobili, M

Gilli, JM

机构：

[1] Univ Nice Sophia Antipolis, Inst Non Lineaire Nice, CNRS, UMR 129, F-06560 Valbonne, France

[2] Univ Montpellier 2, Dynam Phases Condensees Grp, CNRS, UMR 5581, F-34095 Montpellier 5, France

来源：

LIQUID CRYSTALS | 2001年 / 28卷 / 02期

关键词：

D O I：

10.1080/02678290010003705

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new instability for a splay-bend Ising wall was found in a 5CB nematic liquid crystal layer. This instability, which occurs in the presence of an external horizontal magnetic field, is driven by the elastic anisotropy of the liquid crystal material. Depending on the homogeneity of the magnetic field, the unstable straight interface evolves towards a new steady state or undergoes a spinodal decomposition into facets. Energy arguments are given in order to explain these physical phenomena.

引用

页码：179 / 189

页数：11

共 32 条

[1] CRITICAL-VALUES OF THE ELASTIC-CONSTANT RATIO FOR THE PERIODIC TWIST-SPLAY DISTORTION IN NEMATIC LIQUID-CRYSTALS [J].