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Comparison of Einstein-Boltzmann solvers for testing general relativity

Abstract:

We compare Einstein-Boltzmann solvers that include modifications to General Relativity and find that, for a wide range of models and parameters, they agree to a high level of precision. We look at three general purpose codes that primarily model general scalar-tensor theories, three codes that model Jordan-Brans-Dicke (JBD) gravity, a code that models f(R) gravity, a code that models covariant Galileons, a code that models Ho\v{r}ava-Lifschitz gravity and two codes that model non-local models...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1103/PhysRevD.97.023520

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Role:
Author
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Funding agency for:
Bellini, E
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Funding agency for:
Ferreira, PG
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review D Journal website
Volume:
97
Issue:
2
Pages:
1-29
Chapter number:
023520
Publication date:
2018-01-22
Acceptance date:
2017-12-08
DOI:
EISSN:
2470-0029
ISSN:
2470-0010
Pubs id:
pubs:734637
URN:
uri:a5e1556a-8cec-4469-aea5-72d932009f7f
UUID:
uuid:a5e1556a-8cec-4469-aea5-72d932009f7f
Local pid:
pubs:734637
Paper number:
2
Keywords:

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