The Unifying Dark Fluid Model

TL;DR

This paper explores a unified dark fluid model that replaces dark matter and dark energy with a single complex scalar field, analyzing its cosmological constraints and quantum corrections.

Contribution

It introduces a dark fluid model based on a complex scalar field and examines the effects of quantum corrections on its potential.

Findings

The dark fluid model can mimic both dark matter and dark energy behaviors.

Quantum corrections influence the scalar field potential significantly.

Current cosmological data constrain the parameters of the dark fluid model.

Abstract

The standard model of cosmology relies on the existence of two components, "dark matter" and "dark energy", which dominate the expansion of the Universe. There is no direct proof of their existence, and their nature is still unknown. Many alternative models suggest other cosmological scenarios, and in particular the dark fluid model replace the dark matter and dark energy components by a unique dark component able to mimic the behaviour of both components. The current cosmological constraints on the unifying dark fluid model is discussed, and a dark fluid model based on a complex scalar field is presented. Finally the consequences of quantum corrections on the scalar field potential are investigated.