Journal
LIQUID CRYSTALS
Volume 37, Issue 6-7, Pages 785-797Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02678292.2010.481905
Keywords
liquid crystals; defect dynamics; parity
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To appreciate the universal qualitative features of defect annihilation in nematic liquid crystals, we study how the viscous force of reorientational dynamics behaves under a transformation that reverses the sign of the defect's topological charge. As an illustration of our general results, we consider a class of point defects that were first studied by A. Saupe. The reorientational viscous forces acting on them differ dramatically from those acting on line defects.
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