Continuous Transition of Defect Configuration in a Deformed Liquid Crystal Film

Details Continuous Transition of Defect Configuration in a Deformed Liquid Crystal Film Continuous Transition of Defect Configuration in a Deformed Liquid Crystal Film

2010-10-06

arxiv.org/abs/1010.1116v1

Physics

Condensed Matter

Soft Condensed Matter

8pages, 3figures

Scientific paper

We investigate energetically favorable configurations of point disclinations in nematic films having a bump geometry. Gradual expansion in the bump width {\Delta} gives rise to a sudden shift in the stable position of the disclinations from the top to the skirt of the bump. The positional shift observed across a threshold {\Delta}th obeys a power law function of |{\Delta}-{\Delta}th|, indicating a new class of continuous phase transition that governs the defect configuration in curved nematic films.

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