Critical behaviour of nematic liquid crystals in oblique magnetic fields
作者:
J. P. CASQUILHO,
期刊:
Liquid Crystals
(Taylor Available online 1998)
卷期:
Volume 24,
issue 4
页码: 549-554
ISSN:0267-8292
年代: 1998
DOI:10.1080/026782998207019
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
The static critical behaviour of a bulk nematic liquid crystal sample in an oblique magnetic field is analysed. When a magnetic field is applied at a suitable angle alpha with respect to the initially homogeneous nematic director, a spatially inhomogeneous director pattern can be formed. The transition to the deformed state and the formation of walls between the domains resulting from the two equally stable configurations above the transition are studied. The width of the walls is found to diverge at the transition. The critical exponents corresponding to the transition and wall formation are shown to be characteristic of a mean field second order phase transition.
点击下载:
PDF (188KB)
返 回