Abstract
We report the observation of mostly wedge disclinations of strength ± 1/2 ina uniaxial nematic liquid crystal. The dense network of the disclination is stabilized in cells of thickness(∼6 µm) treated with perfluoropolymer. The distribution of net defect strength was found to beGaussian. The scaling exponent obtained from the width of the distribution isν = 0.29 ± 0.08 and is in good agreement with the prediction based on the cosmological Kibble mechanism.The exponent and the constant of the scaling relation are compared with the valuesreported for lyotropic liquid crystal with half-strength disclination by Mukai andco-workers.
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