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Experimental confirmation of a Kibble-Zurek scaling law in a nematic liquid crystal

Fowler, Nicholas

[Thesis]. Manchester, UK: The University of Manchester; 2014.

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Abstract

Umbilic defects with strength s = ±1 were generated via a Fréedericksz transition in a nematic liquid crystal with negative dielectric anisotropy. The defect density was measured as the rate at which the Fréedericksz transition occurred was varied. A scaling exponent which described how the defect density scaled with the rate at which the Fréedericksz transition occurred was calculated and found to be in good agreement with the theoretically predicted value. To our knowledge, this is possibly the first time that this scaling relationship has been confirmed experimentally in a condensed matter system.

Bibliographic metadata

Type of resource:
Content type:
Form of thesis:
Type of submission:
Degree type:
Master of Science by Research
Degree programme:
MSc by Research Soft Matter and Liquid Crystals Physics
Publication date:
Location:
Manchester, UK
Total pages:
90
Abstract:
Umbilic defects with strength s = ±1 were generated via a Fréedericksz transition in a nematic liquid crystal with negative dielectric anisotropy. The defect density was measured as the rate at which the Fréedericksz transition occurred was varied. A scaling exponent which described how the defect density scaled with the rate at which the Fréedericksz transition occurred was calculated and found to be in good agreement with the theoretically predicted value. To our knowledge, this is possibly the first time that this scaling relationship has been confirmed experimentally in a condensed matter system.
Thesis main supervisor(s):
Thesis co-supervisor(s):
Language:
en

Record metadata

Manchester eScholar ID:
uk-ac-man-scw:240429
Created by:
Fowler, Nicholas
Created:
20th November, 2014, 09:16:43
Last modified by:
Fowler, Nicholas
Last modified:
1st December, 2017, 09:07:29

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