184 citations · 184 across the 2 of their papers we have counts for
2 papers
astro-ph2007★ 184 cited
Bulk Viscous Cosmology
R. Colistete, J. C. Fabris, J. Tossa +1
We propose a scenario in which the dark components of the Universe are manifestations of a single bulk viscous fluid. Using dynamical system methods, a qualitative study of the hom…
gr-qc1996
Scalar Perturbations and Conformal Transformation
Julio C. Fabris, Joel Tossa
The non-minimal coupling of gravity to a scalar field can be transformed into a minimal coupling through a conformal transformation. We show how to connect the results of a perturb…