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Saturn-ring defects around microspheres suspended in nematic liquid crystals: an analogy between confined geometries
1Fachbereich Physik, Universität Konstanz, D-78457 Konstanz, Germany.
Abstract:
Particles suspended in a nematic liquid crystal exhibit characteristic dipolar and Saturn-ring configurations. Using results on the magnetic-field behavior of these configurations, we explain the recent observation of the Saturn-ring defect in confined geometries based on the idea that a confining geometry and a magnetic field generate a similar "confinement" for the nematic phase.
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