The Cosmological Kibble Mechanism in the Laboratory: String Formation in Liquid Crystals
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- Mark J. Bowick
- Department of Physics, Syracuse University, Syracuse, NY 13244-1130, USA.
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- L. Chandar
- Department of Physics, Syracuse University, Syracuse, NY 13244-1130, USA.
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- E. A. Schiff
- Department of Physics, Syracuse University, Syracuse, NY 13244-1130, USA.
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- Ajit M. Srivastava
- Institute for Theoretical Physics, University of California, Santa Barbara, CA 93106, USA.
書誌事項
- 公開日
- 1994-02-18
- DOI
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- 10.1126/science.263.5149.943
- 公開者
- American Association for the Advancement of Science (AAAS)
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説明
<jats:p> The production of strings (disclination lines and loops) has been observed by means of the Kibble mechanism of domain (bubble) formation in the isotropic-nematic phase transition of the uniaxial nematic liquid crystal 4-cyano-4′- <jats:italic>n</jats:italic> -pentylbiphenyl. The number of strings formed per bubble is about 0.6. This value is in reasonable agreement with a numerical simulation of the experiment in which the Kibble mechanism is used for the order parameter space of a uniaxial nematic liquid crystal. </jats:p>
収録刊行物
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- Science
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Science 263 (5149), 943-945, 1994-02-18
American Association for the Advancement of Science (AAAS)