Zig-zag instability of an Ising wall in liquid crystals

• Published in: arXiv.org
• Main Authors: Chevallard, C, Clerc, M G, Coullet, P, J -M Gill
• Format: Paper
• Language: English
• Published: Ithaca Cornell University Library, arXiv.org 16.04.2001
• Subjects: Anchoring; Asymptotic properties; Bifurcations; Crystals; Elastic limit; Elastic properties; Freedericksz transitions; Interface stability; Ising model; Liquid crystals; Nematic crystals; Order parameters

We present a theoretical explanation for the interfacial zigzag instability that appears in anisotropic systems. Such an instability has been experimentally highlighted for an Ising wall formed in a nematic liquid crystal cell under homeotropic anchoring conditions. From an envelope equation, releva...