Reinterpreting quintessential dark energy through averaged inhomogeneous cosmologies

Details Reinterpreting quintessential dark energy through averaged inhomogeneous cosmologies Reinterpreting quintessential dark energy through averaged inhomogeneous cosmologies

2006-09-12

arxiv.org/abs/astro-ph/0609315v2

Astronomy and Astrophysics

Astrophysics

To appear in the Proceedings of the SF2A conference, June 2006. One reference corrected

Scientific paper

Regionally averaged relativistic cosmologies have recently been considered as a possible explanation for the apparent late time acceleration of the Universe. This contribution reports on a mean field description of the backreaction in terms of a minimally coupled regionally homogeneous scalar field evolving in a potential, then giving a physical origin to the various phenomenological scalar fields generically called quintessence fields. As an example, the correspondence is then applied to scaling solutions.

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