Geometric Topology of Liquid Crystal Textures: Chirality and Bend

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• Gareth Alexander (University of Warwick)
• Monday 13 May 2019, 15:20-16:00
• Seminar Room 1, Newton Institute.

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DNMW03 - Optimal design of soft matter - including a celebration of Women in Materials Science (WMS)

The textures and phases of liquid crystals are replete with geometric motifs, and the geometric approach to elasticity underpins a large portion of nonlinear theories. Despite this, the basic characterisation of topology comes from the homotopy theory without particular attention to geometric features. I will describe our recent work developing geometric approaches to liquid crystal topology, describing cholesteric point defects and topological chirality, and the geometric features of bend distortions, illustrated by applications to the twist-bend nematic phase.

This talk is part of the Isaac Newton Institute Seminar Series series.

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