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Phase behavior of the Confined Lebwohl-Lasher Model

AuthorsAlmarza, Noé G. ; Martín, C. ; Lomba, Enrique
Lebwohl-Lasher model
Monte Carlo Simulation
Liquid crystals
Issue Date13-Jul-2010
AbstractThe phase behavior of confined nematogens is studied using the Lebwohl-Lasher model. For three dimensional systems the model is known to exhibit a discontinuous nematic-isotropic phase transition, whereas the corresponding two dimensional systems apparently show a continuous Berezinskii-Kosterlitz-Thouless like transition. In this paper we study the phase transitions of the Lebwohl-Lasher model when confined between planar slits of different widths in order to establish the behavior of intermediate situations between the pure planar model and the three-dimensional system, and compare with previous estimates for the critical thickness, i.e. the slit width at which the transition switches from continuous to discontinuous. PACS numbers: 64.60Cn, 61.20.Gy
DescriptionSubmitted to Physical Review E
Appears in Collections:(IQFR) Artículos
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