Cosmological constraints on the Hu-Sawicki modified gravity scenario
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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| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
23 June 2009
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2009, Jahrgang: 79, Heft: 12 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.79.123516 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.79.123516
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| Verfasserangaben: | 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
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