Holographic dark matter and dark energy with second order invariants

TL;DR

This paper proposes a holographic approach based on second order invariants to explain dark matter and dark energy within Einstein's framework, supported by low and high redshift cosmological tests.

Contribution

It introduces a novel holographic model using second order invariants to unify dark matter and dark energy explanations in cosmology.

Findings

Models fit supernovae Ia data well

Models are consistent with CMB peak observations

Unified description of dark matter and dark energy achieved

Abstract

One of the main goals of modern cosmology remains to summon up a self consistent policy, able to explain, in the framework of the Einstein's theory, the cosmic speed up and the presence of Dark Matter in the Universe. Accordingly to the Holographic principle, which postulates the existence of a minimal size of a physical region, we argue, in this paper, that if this size exists for the Universe and it is accrued from the independent geometrical second order invariants, it would be possible to ensure a surprising source for Dark Matter and a viable candidate for explaining the late acceleration of the Universe. Along the work, we develop low redshift tests, such as Supernovae Ia and kinematical analysis complied by the use of Cosmography and we compare the outcomes with higher redshift tests, such as CMB peak and anisotropy of the cosmic power spectrum. All the results indicate that the models presented here can be interpreted as unified models that are capable to describe both the dark matter and the dark energy.