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Title: Formation and distribution of point defects on a disclination line near a free nematic interface
Author: Ignés i Mullol, Jordi
Baudry, Jean
Oswald, Patrick
Keywords: Sòlids
Issue Date: 2001
Publisher: The American Physical Society
Abstract: Point defects of opposite signs can alternately nucleate on the -1/2 disclination line that forms near the free surface of a confined nematic liquid crystal. We show the existence of metastable configurations consisting of periodic repetitions of such defects. These configurations are characterized by a minimal interdefect spacing that is seen to depend on sample thickness and on an applied electric field. The time evolution of the defect distribution suggests that the defects attract at small distances and repel at large distances.
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It is part of: Physical Review E, 2001, vol. 63, núm. 3, p. 031701-1-031701-9
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ISSN: 1063-651X
Appears in Collections:Articles publicats en revistes (Ciència dels Materials i Química Física)

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