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Eddington's theory of gravity and its progeny.

Abstract:

We resurrect Eddington's proposal for the gravitational action in the presence of a cosmological constant and extend it to include matter fields. We show that the Newton-Poisson equation is modified in the presence of sources and that charged black holes show great similarities with those arising in Born-Infeld electrodynamics coupled to gravity. When we consider homogeneous and isotropic space-times, we find that there is a minimum length (and maximum density) at early times, clearly pointin...

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Publication status:
Published

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Authors


Bañados, M More by this author
Ferreira, PG More by this author
Journal:
Physical review letters
Volume:
105
Issue:
1
Pages:
011101
Publication date:
2010-07-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:ceb67ace-fc6f-472e-b379-17b0084eb96f
Source identifiers:
207699
Local pid:
pubs:207699
Language:
English
Keywords:

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