Unified universe history through phantom extended Chaplygin gas
General Relativity and Quantum Cosmology
2016-07-15 v1 High Energy Physics - Theory
Abstract
We investigate the universe evolution from inflation to late-time acceleration in a unified way, using a two-component fluid constituted from extended Chaplygin gas alongside a phantom scalar field. We extract solutions for the various cosmological eras, focusing on the behavior of the scale factor, the various density parameters and the equation-of-state parameter. Furthermore, we extract and discuss bouncing solutions. Finally, we examine the perturbations of the model, ensuring about their stability and extracting the predictions for the tensor-to-scalar ratio.
Keywords
Cite
@article{arxiv.1504.04173,
title = {Unified universe history through phantom extended Chaplygin gas},
author = {B. Pourhassan},
journal= {arXiv preprint arXiv:1504.04173},
year = {2016}
}
Comments
25 pages, 16 figures