Some anisotropic cosmological models in a modified theory of gravitation

Field equations in a modified theory of gravitation proposed by Harko et al. (Phys. Rev. D 84: 024020, 2011) are obtained with the aid of a spatially homogeneous and anisotropic LRS Bianchi type-II metric. Cosmological models corresponding to stiff fluid, disordered radiation, dust and false vacuum are obtained. Some physical and kinematical properties of each of the models are also studied.