Speaker
Nicolás Hernández Beltrán
(Universidad Industrial de Santander)
Description
In the context of the Bianchi universes, i.e., homogeneous but anisotropic cosmologies, we study the conditions to obtain vanishing shear which indeed satisfies the cosmological principle. The anisotropic curvature has to be balanced by the anisotropic stresses of the non-perfect fluid that dominates the energy density of the universe. Such a fluid has been considered to describe a n-form with or without potential. The scenario is successfully realized only for the free 0-form and 2-form cases which are equivalent via Hodge duality.
Authors
Dr
Ben David Normann
(University of Stavanger)
Nicolás Hernández Beltrán
(Universidad Industrial de Santander)
Dr
Yeinzon Rodriguez
(Universidad Industrial de Santander)
