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Cited by 188Cosmology and Gravitation TheoriesBlack Holes and Theoretical PhysicsNoncommutative and Quantum Gravity Theories

DGP specteroscopy

Open access
Charmousis, Christos, Gregory, Ruth, Kaloper, Nemanja, Padilla, Antonio·2006·Journal of High Energy Physics
DOI 10.1088/1126-6708/2006/10/066
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Registry

Crossref · 10.1088/1126-6708/2006/10/066

Cites

122 of 122 references verified0 citation errors · 0 not checkable

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  • The self-accelerating branch of DGP is plagued with instabilities and ghost degrees of freedom.

    “This branch is however plagued with instabilities and the presence of ghost degrees of freedom, e.g., Charmousis et al. (2006) and Luty et al. (2003).”

    From Testing general relativity in cosmology (2019) · cites this paper as Charmousis et al. (2006)

  • The self-accelerating branch of DGP suffers from ghost instabilities, unlike the normal branch.

    “It was shown in a number of studies that, unlike the normal branch, the self-accelerating branch of the DGP theory suffers from ghost instabilities (Luty et al. 2003; Charmousis et al. 2006; Gregory et al. 2007; Gorbunov et al. 2006; Koyama 2007).”

    From Testing general relativity in cosmology (2019) · cites this paper as Charmousis et al. 2006

  • The normal branch of DGP (nDGP) does not self-accelerate but has better stability properties than the self-accelerating branch.

    “The second normal branch (noted as nDGP) does not self-accelerate but has better stability properties than the former branch (Charmousis et al. 2006; Padilla 2007; Gregory et al. 2007; Gorbunov et al. 2006).”

    From Testing general relativity in cosmology (2019) · cites this paper as Charmousis et al. 2006

  • Self-accelerating DGP solutions suffer from ghosts and tachyons as well as some pathological singularities.

    “However, it turned out that SA solutions suffer from ghosts and tachyons [8][9][10][11] as well as some pathological singularities [12].”

    From Out of the White Hole: A Holographic Origin for the Big Bang (2014) · cites this paper as [11]

  • The self-accelerating branch suffers from a negative energy ghost instability.

    “However, as discussed in the introduction, SA branch suffers from a negative energy ghost instability.”

    From Out of the White Hole: A Holographic Origin for the Big Bang (2014) · cites this paper as [11]

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Authors
Charmousis, C., Gregory, R., Kaloper, N., & Padilla, A.
Affiliations
  • Université Paris-Sud (FR)
  • Durham University (GB)
  • University of California, Davis (US)
  • Universitat de Barcelona (ES)
ORCID
Venue
Journal of High Energy Physics
Publisher
Springer Science and Business Media LLC
Published
2006-10-24
Volume
2006
Issue
10
Pages
066-066
ISSN
1029-8479 (ISSN-L)
DOI
10.1088/1126-6708/2006/10/066
OpenAlex
W3037468666
Cited by
188
References
122
Citations by year
2026: 2 · 2025: 2 · 2024: 5 · 2023: 6 · 2022: 1 · 2021: 4 · 2020: 2 · 2019: 4 · 2018: 15 · 2017: 4 · 2016: 7 · 2015: 5 · 2014: 16 · 2013: 8 · 2012: 8
FWCI
13.23
Type
journal article
Language
en
Open access
Locations
  • Journal of High Energy Physics (publishedVersion)
  • Durham Research Online (Durham University) (acceptedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • Durham Research Online (Durham University) (submittedVersion, cc-by)
  • arXiv (Cornell University)
Funders
  • National Science Foundation (0332258)
  • U.S. Department of Energy (FG0391ER40674, PHY-0332258)
  • Durham University
  • University of California, Santa Barbara
  • University of California, Davis
  • Kavli Institute for Theoretical Physics, University of California, Santa Barbara
Topics
  • Physical Sciences › Physics and Astronomy › Astronomy and Astrophysics › Cosmology and Gravitation Theories
  • Physical Sciences › Physics and Astronomy › Nuclear and High Energy Physics › Black Holes and Theoretical Physics
  • Physical Sciences › Physics and Astronomy › Statistical and Nonlinear Physics › Noncommutative and Quantum Gravity Theories
Keywords
DGP model, braneworld, gravitational perturbations, ghost modes, self-accelerating solutions, brane tension, radion, tachyonic instability, gravitational shock waves, modified gravity, cosmic acceleration

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