70 citations · 70 across the 1 of their papers we have counts for
3 papers
Bayesian Analysis of the Chaplygin Gas and Cosmological Constant Models using the SNe Ia Data
R. Colistete, J. C. Fabris, S. V. B. Gonçalves +1
The type Ia supernovae observational data are used to estimate the parameters of a cosmological model with cold dark matter and the Chaplygin gas. The Chaplygin gas model depends e…
Mass Power Spectrum in a Universe Dominated by the Chaplygin Gas
J. C. Fabris, S. V. B. Gonçalves, P. E. de Souza
The mass power spectrum for a Universe dominated by the Chaplygin gas is evaluated numerically from scales of the order of the Hubble horizon to 100 Mpc. The results are compared w…
Density perturbations in an Universe dominated by the Chaplygin gas
J. C. Fabris, S. V. B. Goncalves, P. E. de Souza
We study the fate of density perturbations in an Universe dominate by the Chaplygin gas, which exhibit negative pressure. We show that it is possible to obtain the value for the de…