Journal of Modern Physics
Volume 4, Issue 2 (February 2013)
ISSN Print: 2153-1196 ISSN Online: 2153-120X
Google-based Impact Factor: 0.86 Citations h5-index & Ranking
Defect Core Structures in Twisted Nematic and Twisted Chiral Liquid Crystals ()
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ABSTRACT
The defect structures of s = ±1/2 twist disclinations in twisted nematic and twisted chiral liquid crystals have been investigated within the Landau-de Gennes theory numerically. Our results show that there exists eigenvalue exchange across the defect core of both the two models. The defect core is essentially biaxial and never isotropic. The defect centre is uniaxial and is surrounded by a strong biaxial region.
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