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Eddington-Born-Infeld gravity and the large scale structure of the Universe

Abstract:

It has been argued that a Universe governed by Eddington-Born-Infeld gravity can be compatible with current cosmological constraints. The extra fields introduced in this theory can behave both as dark matter and dark energy, unifying the dark sector in one coherent framework. We show the various roles the extra fields can play in the expansion of the Universe and study the evolution of linear perturbations in the various regimes. We find that, as a unified theory of the dark sector, Eddington...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.79.063511

Authors


Bañados, M More by this author
Ferreira, PG More by this author
Skordis, C More by this author
Journal:
Phys.Rev.D
Volume:
79
Issue:
6
Pages:
063511
Publication date:
2008-11-08
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:6116a5ca-ad6c-4c35-9b89-66103ba39a57
Source identifiers:
207703
Local pid:
pubs:207703
Keywords:

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