Future constraints on the Hu-Sawicki modified gravity scenario

Matteo Martinelli, Alessandro Melchiorri, Olga Mena, Valentina Salvatelli, and Zahara Gironés
Phys. Rev. D 85, 024006 – Published 6 January 2012

Abstract

We present current and future constraints on the Hu and Sawicki modified gravity scenario. This model can reproduce a late time accelerated universe and evade Solar System constraints. While current cosmological data still allows for distinctive deviations from the cosmological constant picture, future measurements of the growth of structure combined with supernova Ia luminosity distance data will greatly improve present constraints.

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  • Received 28 September 2011

DOI:https://doi.org/10.1103/PhysRevD.85.024006

© 2012 American Physical Society

Authors & Affiliations

Matteo Martinelli1, Alessandro Melchiorri1, Olga Mena2, Valentina Salvatelli1, and Zahara Gironés2

  • 1Physics Department and INFN, Universita’ di Roma “La Sapienza”, Ple Aldo Moro 2, 00185, Rome, Italy
  • 2IFIC-CSIC and Universidad de Valencia, Valencia, Spain

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Vol. 85, Iss. 2 — 15 January 2012

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