2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/20983Generalized Maier-Saupe theory (GMST) within Tsallis thermostatistics (TT) has been used to investigate the second rank order parameter in a nematic liquid crystal, N-p-methoxybenzylidene p-n-butylaniline (MBBA). Also, the free energy has been investigated at the nematic-isotropic phase transition temperature and the effect of the nonextensivity has been demonstrated.Statistical Mechanicstext