Istituto di Matematica Applicata e Tecnologie Informatiche     
Sonnet A. M., Virga E. G., Durand G. E. Macroscopic signs of microscopic biaxiality in Nematic Liquid Crystals. Preprint ercim.cnr.ian//2002-1321, 2002.
By use of two order tensors and a simplified mean-field model, we recover the classical sequence of phases, isotropic-uniaxial-biaxial, in a nematogenic material composed of intrinsically biaxial molecules. Each phase is practically described by a single scalar order parameter, instead of the two needed in more general models. This simplified model led us to a new expression of the free energy, which has the potential to describe better the diverse order reconstructions observed experimentally.
Subject Nematic liquid crystals
Microscopic biaxility

Icona documento Open access Icona documento Restricted Icona documento Private


Per ulteriori informazioni, contattare: Librarian http://puma.isti.cnr.it

Valid HTML 4.0 Transitional