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Cosmological constraints on the Hu-Sawicki modified gravity scenario

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In this paper we place new constraints on a f(R) modified gravity model recently proposed by Hu and Sawicki (HS). After checking that the HS model produces a viable cosmology, i.e. a matter dominated epoch followed by a late-time acceleration, we constrain some of its parameters by using recent obse...

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Main Authors: Martinelli, Matteo (Author) , Melchiorri, Alessandro (Author) , Amendola, Luca (Author)
Format: Article (Journal)
Language:English
Published: 23 June 2009
In: Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2009, Volume: 79, Issue: 12
ISSN:1550-2368
DOI:10.1103/PhysRevD.79.123516
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.79.123516
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Author Notes:Matteo Martinelli and Alessandro Melchiorri (Dipartimento di Fisica and Sezione INFN, Università di Roma ‘‘La Sapienza,’’ Ple Aldo Moro 2, 00185, Italy), Luca Amendola (INAF/Osservatorio Astronomico di Roma, Viale Frascati 33, 0040, Monteporzio Catone, (Roma), Italy)
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Cosmological constraints on the Hu-Sawicki modified gravity scenario by Martinelli, Matteo (Author) , Melchiorri, Alessandro (Author) , Amendola, Luca (Author) ,


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