The cosmological Kibble mechanism in the laboratory: String formation in liquid crystals

Mark J. Bowick; L. Chandar; E. A. Schiff; Ajit M. Srivastava

doi:10.1126/science.263.5149.943

The cosmological Kibble mechanism in the laboratory: String formation in liquid crystals

Mark J. Bowick, L. Chandar, E. A. Schiff, Ajit M. Srivastava

Department of Physics

Research output: Contribution to journal › Article › peer-review

337 Scopus citations

Abstract

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′-n-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.

Original language	English (US)
Pages (from-to)	943-945
Number of pages	3
Journal	Science
Volume	263
Issue number	5149
DOIs	https://doi.org/10.1126/science.263.5149.943
State	Published - 1994

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AU - Srivastava, Ajit M.

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AB - 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′-n-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.

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The cosmological Kibble mechanism in the laboratory: String formation in liquid crystals

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