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On the mechanism of the effect of ultrasound on a nematic liquid crystal at oblique incidence

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Abstract

Based on an experimental study of the optical response of a homeotropically aligned nematic liquid crystal layer to the action of obliquely incident longitudinal ultrasonic waves, the applicability of the new theoretical model postulating the streaming mechanism of molecule reorientation is justified. It is shown that, in the frequency range 0.9–3.6 MHz, theoretical calculations with the use of this model are in both qualitative and quantitative agreement with experimental data.

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Authors and Affiliations

  1. Andreev Acoustics Institute, Russian Academy of Sciences, ul. Shvernika 4, Moscow, 117036, Russia

    O. A. Kapustina

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  1. O. A. Kapustina
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Correspondence to O. A. Kapustina.

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Original Russian Text © O.A. Kapustina, 2008, published in Akusticheskiĭ Zhurnal, 2008, Vol. 54, No. 6, pp. 900–904.

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Kapustina, O.A. On the mechanism of the effect of ultrasound on a nematic liquid crystal at oblique incidence. Acoust. Phys. 54, 778–782 (2008). https://doi.org/10.1134/S1063771008060055

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  • DOI: https://doi.org/10.1134/S1063771008060055

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