Dynamics of chiral antiferroelectric liquid crystal materials exhibiting the S*Cαphase
作者:
M. ČEpiČ,
B. ŽEkš,
期刊:
Liquid Crystals
(Taylor Available online 1996)
卷期:
Volume 20,
issue 1
页码: 29-34
ISSN:0267-8292
年代: 1996
DOI:10.1080/02678299608032023
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The dynamic properties of chiral smectic liquid crystals are studied theoretically by including competing interlayer interactions leading to the smectic C*αphase below the smectic A phase. In the smectic A phase only one doubly degenerate soft mode exists which becomes critical at the transition temperature for the critical wave vector corresponding to the helicoidal modulation extending over only a few smectic layers. In the tilted smectic C*αphase it splits into two modes, i.e. a phase and an amplitude mode.
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