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arXiv · 2204.06538

The dynamics of scalar-field Quintom cosmological models

Jonathan Tot·Balkar Yildirim·Alan Coley·Genly Leon
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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 $\kappa, \lambda$ 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.

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Jonathan Tot, Balkar Yildirim, Alan Coley, Genly Leon. 2022-04-13. The dynamics of scalar-field Quintom cosmological models. https://arxiv.org/abs/2204.06538

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