Stability of Einstein-Aether Cosmological Models
Patrik Sandin, Bassemah Alhulaimi, Alan Coley
TL;DR
This paper analyzes the stability and future behavior of Einstein-Aether cosmological models with scalar fields and perfect fluids using dynamical systems, comparing results with standard inflationary models.
Contribution
It provides a stability analysis of Einstein-Aether models with scalar fields, extending previous work and offering insights into their long-term cosmological behavior.
Findings
Identification of stable equilibrium solutions
Comparison with standard inflationary models
Extension of previous Einstein-Aether stability analyses
Abstract
We use a dynamical systems analysis to investigate the future behaviour of Einstein-Aether cosmological models with a scalar field coupling to the expansion of the aether and a non-interacting perfect fluid. The stability of the equilibrium solutions are analysed and the results are compared with the standard inflationary cosmological solutions and previously studied cosmological Einstein-Aether models.
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