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Effect of an ultrasonic field on the structure of a cholesteric liquid crystal

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Abstract

A spatially modulated structure arising in a layer of a cholesteric liquid crystal under the effect of an ultrasonic wave is studied theoretically. The structure is described on the basis of the equations of fluid dynamics for cholesteric liquid crystals. The equations are represented in terms of the angular variables. An anisotropic term caused by the relaxation of the orientational order parameter is introduced into the stress expressions. The results of calculations are compared with experimental data.

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Authors and Affiliations

  1. Samara State University, ul Ak. Pavlova 1, Samara, 443011, Russia

    E. N. Kozhevnikov

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  1. E. N. Kozhevnikov
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Translated from Akusticheski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Zhurnal, Vol. 47, No. 4, 2001, pp. 501–508.

Original Russian Text Copyright © 2001 by Kozhevnikov.

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Kozhevnikov, E.N. Effect of an ultrasonic field on the structure of a cholesteric liquid crystal. Acoust. Phys. 47, 430–437 (2001). https://doi.org/10.1134/1.1385417

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  • DOI: https://doi.org/10.1134/1.1385417

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