Point-defect haloing in curved nematic films

Details Point-defect haloing in curved nematic films Point-defect haloing in curved nematic films

2009-12-21

arxiv.org/abs/0912.4228v3

Physics

Condensed Matter

Soft Condensed Matter

6 pages, 5 figures, 1 table

Scientific paper

We investigate the correlation between the point disclination energies and the surface curvature modulation of nematic liquid crystal membranes with a Gaussian bump geometry. Due to the correlation, disclinations feel an attractive force that confines them to an annulus region, resulting in a halo distribution around the top of the bump. The halo formation is a direct consequence of the nonzero Gaussian curvature of the bump that affects preferable configurations of liquid crystal molecules around the disclination core.

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