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Ambiguous Tests of General Relativity on Cosmological Scales

Abstract:

There are a number of approaches to testing General Relativity (GR) on linear scales using parameterized frameworks for modifying cosmological perturbation theory. It is sometimes assumed that the details of any given parameterization are unimportant if one uses it as a diagnostic for deviations from GR. In this brief report we argue that this is not necessarily so. First we show that adopting alternative combinations of modifications to the field equations significantly changes the constrain...

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Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Role:
Author
Journal:
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume:
2012
Issue:
6
Pages:
032-032
Publication date:
2011-10-17
DOI:
EISSN:
1475-7516
ISSN:
1475-7516
URN:
uuid:8992afca-83ed-4b3c-8c3e-e54d9798a363
Source identifiers:
208057
Local pid:
pubs:208057
Keywords:

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