Dhara, Surajit ; Arun Kumar, T ; Ishikawa, Ken ; Takezoe, Hideo (2009) Thermotropic uniaxial nematic liquid crystal with ± 1/2 strength disclinations: defect–antidefect production and correlation Journal of Physics: Condensed Matter, 21 (50). p. 505103. ISSN 0953-8984
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Official URL: https://doi.org/10.1088/0953-8984/21/50/505103
Related URL: http://dx.doi.org/10.1088/0953-8984/21/50/505103
Abstract
We report the observation of mostly wedge disclinations of strength ± 1/2 in a 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 be Gaussian. The scaling exponent obtained from the width of the distribution is ν = 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 values reported for lyotropic liquid crystal with half-strength disclination by Mukai and co-workers
| Item Type: | Article |
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| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 141401 |
| Deposited On: | 01 Dec 2025 05:41 |
| Last Modified: | 01 Dec 2025 05:41 |
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