Analytic description of Dvali-Gabadadze-Porrati perturbations on all scales

@article{Seahra2010AnalyticDO,
  title={Analytic description of Dvali-Gabadadze-Porrati perturbations on all scales},
  author={Sanjeev S. Seahra and Wayne Hc Hu},
  journal={Physical Review D},
  year={2010},
  volume={82},
  pages={124015}
}
  • Sanjeev S. Seahra, Wayne Hc Hu
  • Published 2010
  • Physics
  • Physical Review D
  • We develop analytic solutions for the linear evolution of metric perturbations in the Dvali-Gabadadze-Porrati braneworld modified gravity scenario including near-horizon and superhorizon modes where solutions in the bulk are required. These solutions apply to both the self-accelerating and normal branch and elucidate the nature of coordinate singularities and initial data in the bulk as well as their effect on perturbation evolution on the brane. Even on superhorizon scales, the evolution of… CONTINUE READING

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