2 papers
gr-qc2025
Qualitative analysis of a quasi-magnetic universe
Alan G. Cesar, Mario Novello, Eduardo Bittencourt +1
We investigate the cosmological dynamics induced by nonlinear electrodynamics in a homogeneous and isotropic universe, focusing on the role of primordial electromagnetic fields wit…
gr-qc2025
Qualitative analysis of viscous cosmology
A. G. Cesar, Mario Novello
We analyze the effect of higher order viscosity corrections in a spatially homogeneous and isotropic universe. The viscous effects are modeled by introducing a second-order term to…