12 citations · 28 across the 3 of their papers we have counts for
3 papers
Averaged Lemaître-Tolman-Bondi dynamics
Eddy G. Chirinos Isidro, Rodrigo M. Barbosa, Oliver F. Piattella +1
We consider cosmological backreaction effects in Buchert's averaging formalism on the basis of an explicit solution of the Lemaître-Tolman-Bondi (LTB) dynamics which is linear in t…
Simple inhomogeneous cosmological (toy) models
Eddy G. Chirinos Isidro, Cristofher Zuñiga Vargas, Winfried Zimdahl
Based on the Lemaître-Tolman-Bondi (LTB) metric we consider two flat inhomogeneous big-bang models. We aim at clarifying, as far as possible analytically, basic features of the dyn…
Cosmic bulk viscosity through backreaction
Rodrigo M. Barbosa, G. Eddy, I. Chirinos +2
We consider an effective viscous pressure as the result of a backreaction of inhomogeneities within Buchert's formalism. The use of an effective metric with a time-dependent curvat…