Investigation of the phase transition at the nematic liquid crystal–wall interface within nonextensivity

Ozhan Kayacan

Physica A: Statistical Mechanics and its Applications, 2007, vol. 383, issue 2, 391-400

Abstract: In this study, the nematic–isotropic phase transition is investigated for a sample in the shape of a slab of thickness d, using nonextensive formalism. The interaction potential is written as the sum of the direct interaction of a given nematic molecule with the substrate and of its incomplete interaction with the other nematic molecules due to the presence of the limiting surface. In this framework, we show the effects of the nonextensivity on the nematic–isotropic transition at the nematic–wall interface. The generalized model can shed light on the properties of nematic liquid crystal confined in small-scale structures.

Keywords: Liquid crystals; Surface order; Phase transition; Tsallis statistics (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:383:y:2007:i:2:p:391-400

DOI: 10.1016/j.physa.2007.02.100

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