Director Theories

André M. Sonnet and Epifanio G. Virga
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André M. Sonnet: University of Strathclyde, Department of Mathematics and Statistics
Epifanio G. Virga: Università di Pavia, Dipartimento di Matematica

Chapter 3 in Dissipative Ordered Fluids, 2012, pp 165-206 from Springer

Abstract: Abstract We have seen in Chapter 1 that the nematic phase is most naturally described by two order parameter tensors Q and B that can be obtained as macroscopic averages of molecular tensors. However, different phenomenological theories were first developed motivated by the unique optical properties of the nematic phase. We postpone to Chapter 4 the investigation of continuum theories based on the order tensors and begin here by looking at director theories that are motivated by the observation that a nematic, although liquid, behaves like a crystal in that it exhibits optically distinguished local directions. These directions are the main protagonists of director theories.

Keywords: Liquid Crystal; Couple Stress; Nematic Liquid Crystal; Director Theory; Dissipation Function (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1007/978-0-387-87815-7_3

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