Structure of twist-grain-boundary-C phases -: art. no. 060703

被引：10
|
作者：
Kundagrami, A [1 ]
Lubensky, TC [1 ]
机构：
[1] Univ Penn, Dept Phys, Philadelphia, PA 19104 USA
来源：
PHYSICAL REVIEW E | 2003年 / 68卷 / 06期
关键词：
D O I：
10.1103/PhysRevE.68.060703
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
We study properties of the Renn-Lubensky twist-grain-boundary-C (TGB(C)) phase, with layer normal rotating in a plane perpendicular to the pitch axis, and the Bordeaux TGB(C) phase, with the layer normal rotating on a cone parallel to the pitch axis near the upper critical twist k(c2) marking the transition to the cholesteric phase. We introduce a generalized model free energy for the smectic-C phase that allows either TGB(C) phase to be stable, and we calculate k(c2) and the order-parameter profile, which shows only modest spatial variation, for both phases.
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页数：4
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