Weak first-order orientational transition in the Lebwohl-Lasher model for liquid crystals

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The nature of the orientational phase transition in the three-dimensional Lebwohl-Lasher model of liquid crystals has been studied by computer simulation using reweighting techniques and finite-size scaling analysis. Unambiguous numerical evidence is found in favor of a weak first-order transition and the presence of pseudospinodal points, T*, which are extremely close to the equilibrium transition temperature, Tc-T*/Tc0.5×10-3, in good agreement with experimental data for the nematic-isotropic transition.

Original languageEnglish
JournalPhysical Review Letters
Issue number19
Pages (from-to)2803-2806
Number of pages4
Publication statusPublished - 1992
Externally publishedYes

ID: 236892448