4 citations · 6 across the 2 of their papers we have counts for
4 papers · 1 filter
Dark D-Brane Cosmology: from background evolution to cosmological perturbations
Carsten van de Bruck, Elsa M. Teixeira
We study the cosmological predictions of the dark D-brane model, in which dark matter resides on a D-brane moving in a higher-dimensional space. By construction, dark matter intera…
Disformally Coupled Quintessence
Elsa M. Teixeira, Ana Nunes, Nelson J. Nunes
In this work we consider a cosmological model in which dark energy is portrayed by a canonical scalar field which is allowed to couple to the other species by means of a disformal…
Bouncing cosmology in gravity by order reduction
Bruno J. Barros, Elsa M. Teixeira, Daniele Vernieri
A bouncing universe is a viable candidate to solve the initial singularity problem. Here we consider bouncing solutions in the context of gravity by using an ord…
Conformally Coupled Tachyonic Dark Energy
Elsa M. Teixeira, Ana Nunes, Nelson J. Nunes
We present and study a conformally coupled dark energy model, characterised by an interaction between a tachyon field , with an inverse square potential , and the matter…