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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Exotic ordered structures of a thin film of a chiral liquid crystal
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If you have a question about this talk, please contact info@newton.ac.uk. DNM - The mathematical design of new materials Liquid crystals fascinated scientists because they exhibit ordered structures in diverse length scales. Here we focus on structures formed in a thin film of a chiral liquid crystal that allows spontaneous local twist of orientational order. By numerical calculations based on a continuum theory describing the orientational order by a second-rank tensor, we show that a thin film of a chiral liquid crystal exhibit a variety of exotic mesoscale structures depending on temperature, film thickness and surface anchoring that dictates the orientational order at the film surfaces [1,2]. These structures are understood as a result of frustrations between the bulk ordering and the surface anchoring, and include a hexagonal lattice of Skyrmions, vortex-like topological entities that have been shown to emerge in various condensed matter systems. We also briefly mention the optical properties of these structures [2,3]. This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:
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