| The effect of coupling between the dipole moment and the orientation is explored based on a relaxation equation for the second rank alignment tensor characterizing the molecular order in liquid crystals and a corresponding equation for the electric polarization. The orientational dynamics leads to a time-dependence of the electric polarization. We propose a possibility to measure these effects via the resulting magnetic fields of the magnitude |B| ~ 10-9 Tesla. Furthermore, the presence of the electric polarization modifies the orientational dynamics as demonstrated in solution phase diagrams.
for LaTeX users @article{SGrandner2007-75,
author = {S. Grandner and S. Heidenreich and P. Ilg and S. H. L. Klapp and S. Hess},
title = {Dynamic electric polarization of nematic liquid crystals subjected to a shear flow},
journal = {Phys. Rev. E},
volume = {75},
pages = {040701},
year = {2007}
}
\bibitem{SGrandner2007-75} S. Grandner, S. Heidenreich, P. Ilg, S.H.L. Klapp, S. Hess,
Dynamic electric polarization of nematic liquid crystals subjected to a shear flow,
Phys. Rev. E {\bf 75} (2007) 040701 (4 pages).SGrandner2007-75
S. Grandner, S. Heidenreich, P. Ilg, S.H.L. Klapp, S. Hess
Dynamic electric polarization of nematic liquid crystals subjected to a shear flow
Phys. Rev. E,75,2007,040701 (4 pages) |
mk@mat.ethz.ch
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