Stability Properties of Self-Similar Solutions in Symmetric Teleparallel f(Q)-Cosmology-Reference-Cited by-同舟云学术

Stability Properties of Self-Similar Solutions in Symmetric Teleparallel f(Q)-Cosmology

Published:2023-02-16 Issue:2 Volume:15 Page:529
ISSN:2073-8994
Container-title:Symmetry
language:en
Short-container-title:Symmetry

Author:

Paliathanasis Andronikos¹²^ORCID

Affiliation:

1. Institute of Systems Science, Durban University of Technology, P.O. Box 1334, Durban 4000, South Africa

2. Departamento de Matemáticas, Universidad Católica del Norte, Avda. Angamos 0610, Casilla, Antofagasta 1280, Chile

Abstract

Self-similar cosmological solutions correspond to spacetimes that admit a homothetic symmetry. The physical properties of self-similar solutions can describe important eras of the cosmological evolution. Recently, self-similar cosmological solutions were derived for symmetric teleparallel fQ-theory with different types of connections. In this work, we study the stability properties of the self-similar cosmological solutions in order to investigate the effects of the different connections on the stability properties of the cosmic history. For the background geometry, we consider the isotropic Friedmann–Lemaître–Robertson–Walker space and the anisotropic and homogeneous Bianchi I space, for which we investigate the stability properties of Kasner-like universes.

Funder

National Research Foundation of South Africa

Universidad Católica del Norte through Núcleo de Investigación Geometría Diferencial y Aplicaciones, Resolución Vridt

Publisher

MDPI AG

Subject

Physics and Astronomy (miscellaneous),General Mathematics,Chemistry (miscellaneous),Computer Science (miscellaneous)

Link

https://www.mdpi.com/2073-8994/15/2/529/pdf

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