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-qc2024
Constraints on polynomial inflation under power-law perturbations
Maria E. S. Antunes, Micol Benetti, Eduardo Bittencourt +1
We investigate perturbations in power-law monomial potentials within inflationary models driven by a single scalar field. By introducing a second term to the original potential, we…