w=−1 as an Attractor

Sloan, David (2016) w=−1 as an Attractor. The Open Journal of Astrophysics.

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Abstract

It has recently been shown, in flat Robertson-Walker geometries, that the dynamics of gravitational actions which are minimally coupled to matter fields leads to the appearance of "attractors" - sets of physical observables on which phase space measures become peaked. These attractors will be examined in the context of inhomogeneous perturbations about the FRW background and in the context of anisotropic Bianchi I systems. We show that maximally expanding solutions are generically attractors, i.e. any measure based on phase-space observables becomes sharply peaked about those solutions which have P=−ρ.

Item Type: Journal Article
Journal or Publication Title: The Open Journal of Astrophysics
Departments: Faculty of Science and Technology > Physics
ID Code: 131130
Deposited By: ep_importer_pure
Deposited On: 11 Feb 2019 09:40
Refereed?: Yes
Published?: Published
Last Modified: 14 Oct 2019 09:33
URI: https://eprints.lancs.ac.uk/id/eprint/131130

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