Distortional Lifshitz Vectors and Helicity in Nematic Free Energy Density

International Journal of Sciences 2013 (07)

6 Pages Posted: 8 Jul 2017 Last revised: 15 Jul 2017

Date Written: July 11, 2013

Abstract

Here we discuss the free energy of nematic liquid crystals using two vectors and the helicity, with the aim of having a compact form of its density. The two vectors are due to the splay and bend distortions of the director field. They have a polar nature, whereas the helicity is a pseudoscalar.

Keywords: Liquid crystals, Nematics, Free energy

Suggested Citation

Sparavigna, Amelia Carolina, Distortional Lifshitz Vectors and Helicity in Nematic Free Energy Density (July 11, 2013). International Journal of Sciences 2013 (07). Available at SSRN: https://ssrn.com/abstract=2572373

Amelia Carolina Sparavigna (Contact Author)

Polytechnic University of Turin ( email )

Corso Duca degli Abruzzi, 24
Torino, Torino 10129
Italy

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