47 citations · 69 across the 3 of their papers we have counts for
5 papers
Baryogenesis in cosmological models with symmetric and asymmetric quantum bounces
P. C. M. Delgado, M. B. Jesus, N. Pinto-Neto +2
The baryon-antibaryon asymmetry (excess of matter over antimatter in our Universe), indicated by observational data from the Cosmic Microwave Background anisotropies, predictions o…
Gravitational Particle Production in Loop Quantum Cosmology
Leila L. Graef, Rudnei O. Ramos, Gustavo S. Vicente
We investigate the gravitational particle production in the bounce phase of Loop Quantum Cosmology (LQC). We perform both analytical and numerical analysis of the particle producti…
Vector perturbations in bouncing cosmology
Nelson Pinto-Neto, Júlio C. Fabris, Júnior D. Toniato +2
An old question surrounding bouncing models concerns their stability under vector perturbations. Considering perfect fluids or scalar fields, vector perturbations evolve kinematica…
Fermion Production in Bouncing Cosmologies
A. Scardua, L. F. Guimarães, N. Pinto-Neto +1
We address the issue of fermionic particle creation in cosmological bouncing models governed by General Relativity, but where the bounce itself takes place due to quantum effects.…
Stability analysis for the background equations for inflation with dissipation and in a viscous radiation bath
Mar Bastero-Gil, Arjun Berera, Rafael Cerezo +2
The effects of bulk viscosity are examined for inflationary dynamics in which dissipation and thermalization are present. A complete stability analysis is done for the background i…