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The Cosmological Kibble Mechanism in the Laboratory: String Formation in Liquid Crystals | | Mark Bowick
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3 Oct 1992 | | Subject: | hep-th | | Abstract: | I report on the observation of the production of strings (disclination lines and loops) via the Kibble mechanism of domain (bubble) formation in the isotropic to nematic phase transition of a sample of uniaxial nematic liquid crystal. The probablity of string formation per bubble is measured to be $0.33 pm 0.01$. This is in good agreement with the theoretical value $1/ pi$ expected in two dimensions for the order parameter space $S^2/{f Z}_2$ of a simple uniaxial nematic liquid crystal. ( NB: The only change is a correction of the preprint number for proper referencing and the title page.) | | Source: | arXiv, hep-th/9210018 | | Services: | Forum | Review | PDF | Favorites | |
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