Two-dimensional deformations in twisted flexoelectric nematic cells

Abstract

Electric field induced deformations occurring in twisted nematic cells filled with liquid crystalline material possessing flexoelectric properties were simulated numerically. The aim of computations was to compare the two-dimensional periodic deformations with one-dimensional distortions reported in our earlier paper occurring in the same cells . It was found that the periodically deformed structures have lower free energy counted per unit area of the layer than the one-dimensional deformations.