Visualization, coarsening, and flow dynamics of focal conic domains in simulated smectic-A liquid crystals

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Danilo B LiarteJames P Sethna

Abstract

Smectic liquid crystals vividly illustrate the subtle interplay of broken translational and orientational symmetries, by exhibiting defect structures forming geometrically perfect confocal ellipses and hyperbolas. Here, we develop and numerically implement an effective theory to study the dynamics of focal conic domains in smectic-A liquid crystals. We use the information about the smectic's structure and energy density provided by our simulations to develop several novel visualization tools for the focal conics. Our simulations accurately describe both simple and extensional shear, which we compare to experiments, and provide additional insight into the coarsening dynamics of focal conic domains.

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Citations

Nov 3, 2016·The Journal of Chemical Physics·Sergej Püschel-SchlotthauerMartin Schoen
Dec 21, 2017·Beilstein Journal of Nanotechnology·Anna N BagdinovaSergei M Tolokonnikov
Mar 9, 2018·Beilstein Journal of Nanotechnology·Anna N BagdinovaAndrei V Sharkov
Apr 23, 2016·Physical Review Letters·Danilo B LiarteJames P Sethna
May 15, 2021·Physical Review Letters·Jingmin XiaPatrick E Farrell

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