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Relaxation Dynamics of Ferroelectric Liquid Crystals in Pulsed Electric Field

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In this contribution we report a theoretical study of relaxation processes in surface-stabilized ferroelectric liquid crystals with spontaneous polarization. The influence of pulsed electric field on the behavior of ferroelectric liquid crystal in the SmC* phase, which is placed in a thin cell with strong anchoring of SmC* molecules with the boundary substrate, is studied. In the vicinity of the substrate interface, temporal dependence of the azimuthal motion of the director induced by electric field is obtained. The response to the external distortion of ferroelectric liquid crystal confined between two microstructured substrates is the occurrence of periodic temporal formation of solitons connected with the distortion of the director field n in the sample bulk. The interplay between microstructured substrates and director distribution of the ferroelectric SmC* phase is explained by the Frenkel–Kontorova model for a chain of atoms, but adapted for the continuum problem.

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Authors and Affiliations

  1. Ufa State Petroleum Technological University, Ufa, Russia

    A. A. Kudreyko

  2. Bashkir State Pedagogical University, Ufa, Russia

    N. G. Migranov & D. N. Migranova

Authors
  1. A. A. Kudreyko
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  2. N. G. Migranov
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  3. D. N. Migranova
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Correspondence to A. A. Kudreyko.

Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 7, pp. 23–28, July 2016.

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Kudreyko, A.A., Migranov, N.G. & Migranova, D.N. Relaxation Dynamics of Ferroelectric Liquid Crystals in Pulsed Electric Field. Russ Phys J 59, 938–943 (2016). https://doi.org/10.1007/s11182-016-0857-x

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  • DOI: https://doi.org/10.1007/s11182-016-0857-x

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