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NCTS Seminar on Mathematical Biology
 
10:30 - 11:30, July 11, 2018 (Wednesday)
Lecture Room B, 4th Floor, The 3rd General Building, NTHU
(清華大學綜合三館 4樓B演講室)
Travelling Waves in Anisotropic Smectic C* Liquid Crystals
Elaine Crooks (Swansea University)

Abstract:

We consider minimality conditions for the speed of monotone travelling waves in a model of a sample of smectic C* liquid crystal subject to a constant electric field, dealing with both isotropic and anisotropic cases. Such conditions are important in understanding switching properties of a liquid crystal, and our focus is on understanding how the presence of anisotropy can affect the speed and nature of switching. Through a study of travelling-wave solutions of a quasilinear parabolic equation, we obtain an estimate of the influence of anisotropy on the minimal speed, sufficient conditions for linear and non-linear minimal speed selection mechanisms to hold in different parameter regimes, and a characterization of the boundary separating the linear and non-linear regimes in parameter space. This is a joint work with Michael Grinfeld and Geoff McKay (Strathclyde).



 

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 (C) 2018 National Center for Theoretical Sciences