Abstract
We consider recently proposed higher-order gravity models where the action is built from the Einstein-Hilbert action plus a function f(G) of the Gauss-Bonnet invariant. The models were previously shown to pass physical acceptability conditions as well as solar system tests. In this paper, we compare the models to combined data sets of supernovae, baryon acoustic oscillations, and constraints from the CMB surface of last scattering. We find that the models provide fits to the data that are close to those of the lambda cold dark matter concordance model. The results provide a pool of higher-order gravity models that pass these tests and need to be compared to constraints from large scale structure and full CMB analysis.
| Original language | English (US) |
|---|---|
| Article number | 063514 |
| Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| Volume | 81 |
| Issue number | 6 |
| DOIs | |
| State | Published - Mar 11 2010 |
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ASJC Scopus subject areas
- Nuclear and High Energy Physics
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Supernova, baryon acoustic oscillations, and CMB surface distance constraints on f(G) higher order gravity models. / Moldenhauer, Jacob; Ishak, Mustapha; Thompson, John; Easson, Damien.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 81, No. 6, 063514, 11.03.2010.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Supernova, baryon acoustic oscillations, and CMB surface distance constraints on f(G) higher order gravity models
AU - Moldenhauer, Jacob
AU - Ishak, Mustapha
AU - Thompson, John
AU - Easson, Damien
PY - 2010/3/11
Y1 - 2010/3/11
N2 - We consider recently proposed higher-order gravity models where the action is built from the Einstein-Hilbert action plus a function f(G) of the Gauss-Bonnet invariant. The models were previously shown to pass physical acceptability conditions as well as solar system tests. In this paper, we compare the models to combined data sets of supernovae, baryon acoustic oscillations, and constraints from the CMB surface of last scattering. We find that the models provide fits to the data that are close to those of the lambda cold dark matter concordance model. The results provide a pool of higher-order gravity models that pass these tests and need to be compared to constraints from large scale structure and full CMB analysis.
AB - We consider recently proposed higher-order gravity models where the action is built from the Einstein-Hilbert action plus a function f(G) of the Gauss-Bonnet invariant. The models were previously shown to pass physical acceptability conditions as well as solar system tests. In this paper, we compare the models to combined data sets of supernovae, baryon acoustic oscillations, and constraints from the CMB surface of last scattering. We find that the models provide fits to the data that are close to those of the lambda cold dark matter concordance model. The results provide a pool of higher-order gravity models that pass these tests and need to be compared to constraints from large scale structure and full CMB analysis.
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UR - http://www.scopus.com/inward/citedby.url?scp=77951599043&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.81.063514
DO - 10.1103/PhysRevD.81.063514
M3 - Article
VL - 81
JO - Physical review D: Particles and fields
JF - Physical review D: Particles and fields
SN - 1550-7998
IS - 6
M1 - 063514
ER -