Interface Instabilities in Liquid Crystals (original) (raw)

Nonlinear Phenomena in Fluids, Solids and Other Complex Systems, 1991

Abstract

Segregation of impurities at a nematic/isotropic interface induces the Mullins-Sekerka instability. Above a critical velocity tne interface initially flat destabilizes to a wavy pattern. As the velocity is increased a series of dynamical modes are observed. Those which break the parity of the pattern, travelling waves and solitary modes, also select the wavelength.

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