Quintessence Ghost Dark Energy Model

TL;DR

This paper explores the connection between ghost dark energy, originating from QCD, and quintessence scalar fields, reconstructing potential and dynamics to explain the universe's accelerated expansion.

Contribution

It establishes a novel correspondence between ghost dark energy and quintessence scalar fields, enabling potential reconstruction based on ghost energy evolution.

Findings

Reconstructed quintessence potential from ghost dark energy.

Demonstrated the dynamics of scalar fields aligned with ghost energy evolution.

Provided a framework linking QCD-related energy to cosmic acceleration.

Abstract

A so called "ghost dark energy" was recently proposed to explain the present acceleration of the universe expansion. The energy density of ghost dark energy, which originates from Veneziano ghost of QCD, is proportional to the Hubble parameter, $\rho_D=\alpha H$, where $\alpha$ is a constant which is related to the QCD mass scale. In this paper, we establish the correspondence between ghost dark energy and quintessence scalar field energy density. This connection allows us to reconstruct the potential and the dynamics of the quintessence scalar field according to the evolution of ghost energy density.