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Molecular Crystals and Liquid Crystals Volume 554, 2012 - Issue 1: Proceedings of the 11th International Conference on Frontiers of Polymers and Advanced Materials (ICFPAM2011)
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Original Articles

Modelling of Enhanced Photoinduced Reorientation of Nematic Liquid Crystal Molecules in Twisted Geometry: Monte Carlo Approach

Grzegorz Pawlik Institute of Physics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50–370, Wroclaw, Poland
,
Antoni C. Mitus Institute of Physics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50–370, Wroclaw, Poland
&
Andrzej Miniewicz Institute of Theoretical and Physical Chemistry, Wybrzeze Wyspianskiego 27, 50–370, Wroclaw, Poland
Pages 56-64 | Published online: 12 Jan 2012
 
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Abstract

Recently the effect of photoinduced molecular reorientation of nematic liquid crystal molecules originating from dispersed gold nanoparticles (NP) in twisted geometry above the Freedeericksz threshold was reported experimentally via optical Kerr effect studies [Citation1]. In this paper we work out the Monte Carlo approach suitable for modelling of this effect using standard Lebwohl–Lasher–Rapini model with an additional term responsible for photoinduced molecular reorientation. The influence of local electric field enhancement on transmission coefficient is studied for chosen cases.

Acknowledgments

G.P. thanks Polish National Science Center for financial support under Grant NN507 322440.

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