The dynamics of scalar-field Quintom cosmological models
General Relativity and Quantum Cosmology
2022-11-21 v2
Abstract
We shall present a complete (compactified) dynamical systems analysis of the Quintom model comprised of an interacting quintessence scalar field and a phantom. We find a range for the model parameters such that there are expanding Quintom cosmologies that undergo two inflationary periods, and this behaviour is not destabilized by spatial curvature. We also discuss a class of bouncing cosmologies. Finally, the linear cosmological perturbations are studied.
Keywords
Cite
@article{arxiv.2204.06538,
title = {The dynamics of scalar-field Quintom cosmological models},
author = {Jonathan Tot and Balkar Yildirim and Alan Coley and Genly Leon},
journal= {arXiv preprint arXiv:2204.06538},
year = {2022}
}
Comments
12 pages, 4 figures