activity
20072011
most citedThe dynamics of the early universe and the initial conditions for inflation in a model with radiation and a Chaplygin gas

50 citations · 88 across the 3 of their papers we have counts for

collaborators
Showing astro-ph.COShow all

2 papers · 1 filter

astro-ph.CO2011★ 19 cited

Observational constraints of the gravitational waves in the Brans-Dicke theory: Einstein frame and Jordan-Brans-Dicke frame

R. C. Freitas, S. V. B. Gonçalves

We investigate the quantum origin of the primordial cosmological gravitational waves in the Brans-Dicke theory in the two conformally related frames, the Jordan-Brans-Dicke frame a…

astro-ph.CO2010★ 19 cited

Constraints on the Generalized Chaplygin Gas Model from Gamma-Ray Bursts

R. C. Freitas, S. V. B. Gonçalves, H. E. S. Velten

We study the Generalized Chaplygin gas model (GCGM) using Gamma-ray bursts as cosmological probes. In order to avoid the so-called circularity problem we use cosmology-independent…