arXiv:1401.6745·v3·General Relativity and Quantum Cosmology
The role of potential in the ghost-condensate dark energy model
Gour Bhattacharya🇮🇳 · Pradip Mukherjee🇮🇳 · Anirban Saha🇮🇳 · Amit Singha Roy🇮🇳
Abstract
We consider the ghost-condensate model of dark energy with a generic potential term. The inclusion of the potential is shown to give greater freedom in realising the phantom regime. The self-consistency of the analysis is demonstrated using WMAP7+BAO+Hubble data.
Comments: A new sub-section added, 13 pages, 3 figures, LaTex. paper thoroughly rewritten. arXiv admin note: substantial text overlap with arXiv:1301.4746; and text overlap with arXiv:1008.2182 by other authors