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Cited by 147Cosmology and Gravitation TheoriesNoncommutative and Quantum Gravity TheoriesBlack Holes and Theoretical Physics

Challenges to the DGP model from horizon-scale growth and geometry

Open access
Fang, Wenjuan, Wang, Sheng, Hu, Wayne, Haiman, Zoltán, Hui, Lam, May, Morgan·2008·Physical Review D
DOI 10.1103/physrevd.78.103509
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Abstract

We conduct a Markov Chain Monte Carlo study of the Dvali-Gabadadze-Porrati self-accelerating braneworld scenario given the cosmic microwave background (CMB) anisotropy, supernovae and Hubble constant data by implementing an effective dark energy prescription for modified gravity into a standard Einstein-Boltzmann code. We find no way to alleviate the tension between distance measures and horizon-scale growth in this model. Growth alterations due to perturbations propagating into the bulk appear as excess CMB anisotropy at the lowest multipoles. In a flat cosmology, the maximum likelihood Dvali-Gabadadze-Porrati model is nominally a $5.3\ensuremath{\sigma}$ poorer fit than $\ensuremath{\Lambda}\mathrm{CDM}$. Curvature can reduce the tension between distance measures but only at the expense of exacerbating the problem with growth leading to a $4.8\ensuremath{\sigma}$ result that is dominated by the low multipole CMB temperature spectrum. While changing the initial conditions to reduce large-scale power can flatten the temperature spectrum, this also suppresses the large angle polarization spectrum in violation of recent results from the five-year Wilkinson Microwave Anisotropy Probe. The failure of this model highlights the power of combining growth and distance measures in cosmology as a test of gravity on the largest scales.

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  • The detailed predictions of the self-accelerating branch were inconsistent with cosmological observations.

    “Furthermore, the detailed predictions of the SA branch were inconsistent with cosmological observations [13].”

    From Out of the White Hole: A Holographic Origin for the Big Bang (2014) · cites this paper as [13]

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Cited by

Sorted by citations

Authors
Fang, W., Wang, S., Hu, W., Haiman, Z., Hui, L., & May, M.
Affiliations
  • Columbia University (US)
  • University of Chicago (US)
  • Brookhaven National Laboratory (US)
ORCID
Venue
Physical Review D
Publisher
American Physical Society (APS)
Published
2008-11-10
Volume
78
Issue
10
ISSN
  • 0556-2821 (ISSN-L)
  • 1550-7998
  • 1550-2368
DOI
10.1103/physrevd.78.103509
OpenAlex
W2133186943
Cited by
147
References
3
Citations by year
2026: 3 · 2025: 4 · 2024: 3 · 2023: 7 · 2022: 5 · 2021: 8 · 2020: 1 · 2019: 7 · 2018: 9 · 2017: 4 · 2016: 5 · 2015: 6 · 2014: 16 · 2013: 15 · 2012: 12
FWCI
7.77
Type
journal article
Language
en
Open access
Licence
link.aps.org/licenses/aps-default-license (vor)
Locations
  • Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • National Science Foundation (0114422, DE-AC02-98CH10886)
  • U.S. Department of Energy (DEAC-02-98CH10886, -AC02-98 CH 10886)
  • Nemzeti Kutatási és Technológiai Hivatal
  • Kavli Institute for Cosmological Physics, University of Chicago
  • Fermilab
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Black Holes and Theoretical Physics
Keywords
Dvali-Gabadadze-Porrati model, brane cosmology, modified gravity, dark energy, cosmic microwave background anisotropies, large-scale structure growth, Hubble tension, distance measures, curvature, initial conditions, CMB polarization

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