Cosmological constraints on the Hu-Sawic
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Matteo Martinelli
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Article
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2009
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Elsevier Science
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English
โ 439 KB
A particular f (R) modified gravity model was recently proposed by Hu and Sawicki. 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 observations from the UNION compila