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Constraints on backreaction in dust universes

Contributors

Rasanen, Syksy

Published in

Classical and quantum gravity, vol. 23, p. 1823-1835

Publication date

2006

Abstract

We study backreaction in dust universes using exact equations which do not rely on perturbation theory, concentrating on theoretical and observational constraints. In particular, we discuss the recent suggestion (in hep-th/0503117) that superhorizon perturbations could explain present-day accelerated expansion as a useful example which can be ruled out. We note that a backreaction explanation of late-time acceleration will have to involve spatial curvature and subhorizon perturbations.

UNIGE affiliation entities

Citation (ISO format)

RASANEN, Syksy. Constraints on backreaction in dust universes. In: Classical and quantum gravity, 2006, vol. 23, p. 1823–1835. doi: 10.1088/0264-9381/23/6/001

Main files (1)

Article (Accepted version)

Identifiers

Additional URL for this publication

http://www.iop.org/EJ/abstract/0264-9381/23/6/001

Journal ISSN

0264-9381
644views
505downloads

Technical informations

Creation

31/08/2009 09:53:00

First validation

31/08/2009 09:53:00

Update

14/03/2023 15:11:08

Status update

14/03/2023 15:11:08

Last indexation

29/10/2024 11:56:45
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