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Reconstruction of a scalar-tensor theory of gravity in an accelerating universe | B Boisseau
; G Esposito-Farese
; D Polarski
; A A Starobinsky
; | Date: |
11 Sep 2000 | Journal: | Phys Rev Lett, 85 (11), 2236-9 | Abstract: | The present acceleration of the Universe strongly indicated by recent observational data can be modeled in the scope of a scalar-tensor theory of gravity. We show that it is possible to determine the structure of this theory along with the present density of dustlike matter from two observable cosmological functions: the luminosity distance and the linear density perturbation in the dustlike matter component as functions of redshift. Explicit results are presented in the first order in the small inverse Brans-Dicke parameter omega(-1). | Source: | PubMed, pmid10977980 | Services: | Forum | Review | Favorites |
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