Hydrodynamic Instabilities in Nematic Liquids Under ac Electric Fields

Orsay Liquid Crystal Group
Phys. Rev. Lett. 25, 1642 – Published 14 December 1970
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Abstract

We present some measurements on the instability threshold of pmethoxyn, pbenzilidene butylaniline (MBBA) under ac fields of frequencies 10-1000 Hz. The threshold curves, in both the low- and high-frequency regimes, are interpreted by a simple extension of the Helfrich theory to time-dependent phenomena.

  • Received 21 July 1970

DOI:https://doi.org/10.1103/PhysRevLett.25.1642

©1970 American Physical Society

Authors & Affiliations

Orsay Liquid Crystal Group*

  • Laboratoire de Physique des Solides, 91 Orsay, France

  • *Theorist members involved in the present work: E. Dubois-Violette, P. G. de Gennes, and O. Parodi. Experimentalists: G. Durand, M. Veyssie, F. Rondelez, and L. Leger.

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Issue

Vol. 25, Iss. 24 — 14 December 1970

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