Director deformation in a nematic liquid crystal with a ferromagnetic nanoparticle suspension |
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Affiliation: | 1. Laboratoire LPR, Département de Physique, Faculté des Sciences, Université Badji Mokhtar, Annaba, Algeria;2. Laboratoire de Physique Quantique de la Matière et de la Modélisation Mathématique (LPQ3M), Université de Mascara, Mascara 29000, Algeria;3. Laboratoire d''Etude et Recherche des Etats Condensés (LEREC), Département de Physique, Faculté des Sciences, Université Badji Mokhtar, Annaba, Algeria |
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Abstract: | In view of the recent interest regarding nematic liquid crystals with a nanoparticle suspension, we investigate the director dynamics of a nematic matrix in the perspective of a soliton framework. The nematic liquid crystal is dispersed with ferromagnetic nanoparticles in order to enhance the director activity associated with the improved magnetization of the ferronematic matrix. The free energy density of the nematic matrix is deduced to be the Ginzburg–Landau (GL) equation for the director reorientation. We obtain a series of localized solutions for the GL equation, and also the dynamics is expressed in terms of the soliton evolution for the director by using the standard Hirota bilinearization procedure. |
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