Enhancement of Nematic Order of Liquid Crystals in Thin Cells

被引：3

作者：

Aswini, P. ^{[1
,2
]}

Govind, A. S. ^{[1
]}

机构：

[1] Vijaya Coll, Dept Phys, Bangalore 560004, Karnataka, India

[2] Deemed Univ, MGR Educ & Res Inst, Chennai, Tamil Nadu, India

来源：

ACTA PHYSICA POLONICA A | 2012年 / 121卷 / 03期

关键词：

PHASE-TRANSITION; SURFACE;

D O I：

10.12693/APhysPolA.121.625

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Experimental observations show that the nematic order parameter is significantly enhanced as the thickness of the cell is reduced. Calculations of earlier theories do not agree well with the experimental data. We propose a simple extension of Maier-Saupe theory to account for the enhancement. A molecule near the surface is assumed to feel the mean field potential (the Maier-Saupe type) and also the surface induced potential. This is included in the Maier-Saupe theory. Our calculations are in better agreement with the experimental data.

引用

页码：625 / 627

页数：3

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