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Article overview
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Weak lensing in scalar-tensor theories of gravity | Carlo Schimd
; Jean-Philippe Uzan
; Alain Riazuelo
; | Date: |
6 Dec 2004 | Journal: | Phys.Rev. D71 (2005) 083512 | Subject: | astro-ph | Affiliation: | IAP & Univ. Parma - INFN Parma), Jean-Philippe Uzan (LPT Orsay & IAP), Alain Riazuelo (IAP | Abstract: | This article investigates the signatures of various models of dark energy on weak gravitational lensing, including the complementarity of the linear and non-linear regimes. It investigates quintessence models and their extension to scalar-tensor gravity. The various effects induced by this simplest extension of general relativity are discussed. It is shown that, given the constraints in the Solar System, models such as a quadratic nonminimal coupling do not leave any signatures that can be detected while other models, such as a runaway dilaton, which include attraction toward general relativity can let an imprint of about 10%. | Source: | arXiv, astro-ph/0412120 | Services: | Forum | Review | PDF | Favorites |
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