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Topological Defects in Nematic Liquid Crystals: Laboratory of Fundamental Physics
Author(s) -
Kralj Mitja,
Kralj Marko,
Kralj Samo
Publication year - 2021
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.202170051
Subject(s) - gaussian curvature , curvature , liquid crystal , manifold (fluid mechanics) , topological defect , physics , gaussian , winding number , topology (electrical circuits) , mean curvature , surface (topology) , condensed matter physics , geometry , mathematics , quantum mechanics , combinatorics , mathematical analysis , engineering , mechanical engineering
Topological Defects The curvature of a closed manifold exhibiting orientational order has a strong impact on positions and the number of topological defects (TDs). The surface integrated Gaussian curvature determines the total winding number of TDs within the manifold. If a region possessing a large enough negative Gaussian curvature is introduced it can trigger pairs {defect, antidefect}, possessing opposite signs of the winding number. More details can be found in article number 2000752 by Mitja Kralj, Marko Kralj, and Samo Kralj.
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