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We report results on the dynamics of a moving nematic-isotropic interface. Using thinner samples, the restabilization back to a linear interface at large velocities is observed. This allows a study of the full marginal stability curve, defining a tongue in the relevant parameter space. In this tongue many bifurcations exist. Close to the marginal stability line, sources, sinks, and traveling waves are observed in this system.
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Simon et al. (1990) studied this question.
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