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    Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature

    Gosenca, Mateja and Coles, Peter (2016) Dynamical Analysis of Scalar Field Cosmologies with Spatial Curvature. The Open Journal of Astrophysics. ISSN 2565-6120

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    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 find that there are two extra 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
    Keywords: dynamical systems; general relativity; spatial curvature; scalar field; cosmological models
    Academic Unit: Faculty of Science and Engineering > Theoretical Physics
    Item ID: 12500
    Identification Number:
    Depositing User: Peter Coles
    Date Deposited: 28 Feb 2020 16:47
    Journal or Publication Title: The Open Journal of Astrophysics
    Publisher: Maynooth Academic Publishing
    Refereed: Yes
    Use Licence: This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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