29 citations · 84 across the 8 of their papers we have counts for
8 papers
On sign-changeable interaction in FLRW cosmology
Fabiola Arevalo, Antonella Cid, Luis P. Chimento +1
We investigate an interacting two-fluid model in a spatially flat Friedmann-Lemaître-Robertson-Walker (FLRW) Universe, when the energy transfer between these two dark components is…
Some cosmological solutions in Einstein-Chern-Simons gravity
Luis Avilés, Patricio Mella, Cristian Quinzacara +1
In this paper we find new solutions for the so called Einstein-Chern-Simons Friedmann-Robertson-Walker field equations studied in refs. (Phys. Rev. D 84 (2011) 063506, Eur. Phys. J…
Cosmic anisotropic doomsday in Bianchi type I universes
Mauricio Cataldo, Antonella Cid, Pedro Labraña +1
In order to investigate if the anisotropy of the spacetime may induce future singularities at a finite value of the cosmic time on the evolution of cosmological models, we study va…
Randall-Sundrum brane universe as a ground state for Chern-Simons gravity
Fabrizio Cordonier-Tello, Fernando Izaurieta, Patricio Mella +1
In stark contrast with the three-dimensional case, higher-dimensional Chern-Simons theories can have non-topological, propagating degrees of freedom. Finding those vacua that allow…
Canonical and phantom scalar fields as an interaction of two perfect fluids
Mauricio Cataldo, Fabiola Arevalo, Patricio Mella
In this article we investigate and develop specific aspects of Friedmann-Robertson-Walker (FRW) scalar field cosmologies related to the interpretation that canonical and phantom sc…
Interacting Kasner-type cosmologies
Mauricio Cataldo, Fabiola Arevalo, Patricio Mella
It is well known that Kasner-type cosmologies provide a useful framework for analyzing the three-dimensional anisotropic expansion because of the simplification of the anisotropic…