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Liquid crystal nematic configurations on thin films

Liquid crystal nematic configurations on thin films

This video was recorded at Confined Liquid Crystals: Landmarks and Perspectives. We shall be concerned with the influence of surface geometry on orientational ordering in liquid crystal thin films. We will focus on universal mechanisms, such as merging and splitting of topological defects, reshaping of defect cores, positioning of defects and defect induced global system transformations. All phenomena are analyzed in the frame of 2D or 3D Landau-de Gennes theory in terms of a tensorial order parameter. For the cases studied we discuss future research trends and possible applications. We first consider possible defect structures and merging of defects in thin nematic shells of various geometries using a 2D approach [1], which has been recently developed by the Pavia group. It is well known... Show More
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