External field-induced switching in nematic elastomers: A Monte Carlo study

被引：16
|
作者：
Skacej, G.
Zannoni, C.
机构：
[1] Univ Bologna, Dipartimento Chim Fis & Inorgan, I-40136 Bologna, Italy
[2] Univ Bologna, INSTM, I-40136 Bologna, Italy
[3] Univ Ljubljana, Oddelek Za Fiziko, SI-1000 Ljubljana, Slovenia
来源：
EUROPEAN PHYSICAL JOURNAL E | 2006年 / 20卷 / 03期
关键词：
D O I：
10.1140/epje/i2006-10020-6
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We present a Monte Carlo study of external field-induced switching in nematic elastomers, employing a coarse-grained shearable lattice model. In large enough systems a full-wavelength Freedericksz effect is observed -as opposed to the half-wavelength effect seen in ordinary nematics- that clearly reflects in simulated polarized light textures, as well as in deuterium magnetic resonance spectra. The reorientation of mesogenic units is accompanied by pronounced shear deformations.
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页码：289 / 298
页数：10
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