Gosenca, Mateja and Coles, Peter ORCID: https://orcid.org/0000-0002-5535-2850 2016. Dynamical analysis of scalar field cosmologies with spatial curvature. The Open Journal of Astrophysics 10.21105/astro.1502.04020 |
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Official URL: http://dx.doi.org/10.21105/astro.1502.04020
Abstract
We explore the dynamical behaviour of cosmological models involving a scalar field (with an exponential potential and a canonical kinetic term) and a matter fluid with spatial curvature included in the equations of motion. Using appropriately defined parameters to describe the evolution of the scalar field energy in this situation, we elucidate the character of two fixed points that are not present in the case without curvature. We also analyse the evolution of the effective equation-of-state parameter for different initial values of the curvature.
Item Type: | Article |
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Date Type: | Publication |
Status: | Published |
Schools: | Physics and Astronomy |
Subjects: | Q Science > QB Astronomy |
Publisher: | The Open Journal |
Funders: | Science and Technology Facilites Council (STFC) |
Date of First Compliant Deposit: | 31 May 2017 |
Date of Acceptance: | 8 February 2016 |
Last Modified: | 11 Nov 2023 11:20 |
URI: | https://orca.cardiff.ac.uk/id/eprint/101027 |
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