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A physical model to predict a ferroelectric nematic phase

Presented by: 
J Taylor [Oxford]
Date: 
Wednesday 22nd May 2013 - 09:40 to 10:00
Venue: 
INI Seminar Room 1
Abstract: 
A ferrroelectric nematic phase is desirable both from a practical and theoretical viewpoint, but experimentally it has yet to be observed. Mathematically, such a phase in polar mesogens could be described in a similar way to the Landau-De Gennes Q-tensor theory, but importantly disrespecting the typical head-to-tail symmetry, so that a second order parameter representing the polarisation of the state enters into the model. This talk is concerned with designing a model in terms of these moments that respects the physicality of order parameters.
University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons