2 papers
astro-ph2004
Generalized Chaplygin Gas in a modified gravity approach
T. Barreiro, A. A. Sen
We study the generalized Chaplygin gas (GCG) scenario in a modified gravity approach. That is, we impose that our universe has a pure dust configuration, and allow for a modificati…
astro-ph2003
WMAP Constraints on Quintessence
T. Barreiro, M. C. Bento, N. M. C. Santos +1
We use recent results from the Wilkinson Microwave Anisotropy Probe (WMAP) for the locations of peaks and troughs of the Cosmic Microwave Background (CMB) power spectrum, together…