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Supernovae, CMB, and gravitational leakage into extra dimensions

Abstract : We discuss observational constraints coming from CMB and type Ia supernovae for the model of an accelerated universe produced by gravitational leakage into extra dimensions. Our fits indicate that the model is currently in agreement with the data. We also give the equations governing the evolution of cosmological perturbations. Future observations will be able to severely constrain the model.
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http://hal.in2p3.fr/in2p3-00138217
Contributor : Dominique Girod <>
Submitted on : Friday, March 23, 2007 - 8:26:51 PM
Last modification on : Sunday, January 3, 2021 - 11:26:03 AM

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C. Deffayet, S.J. Landau, J. Raux, M. Zaldarriaga, P. Astier. Supernovae, CMB, and gravitational leakage into extra dimensions. Physical Review D, American Physical Society, 2002, 66, pp.024019. ⟨10.1103/PhysRevD.66.024019⟩. ⟨in2p3-00138217⟩

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