MG14 - Talk detail |
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Participant |
Nunes, Nelson | |||||||
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Institution |
Institute of Astrophysics and Space Sciences, University of Lisbon - Departamento de Fisica, Edificio C8 - Lisbon - - Portugal | |||||||
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Session |
DE1 |
Accepted |
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Order |
Time |
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Talk |
Oral abstract |
Title |
Cosmology Of The de Sitter Horndeski Models | |||||
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Abstract |
Horndeski models with a de Sitter critical point for any kind of material content can provide a mechanism to alleviate the cosmological constant problem. We study the cosmological evolution of two classes of families - the linear models and the non-linear models with shift symmetry. We conclude that the latter models can deliver a background dynamics compactible with the latest observational data. |
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Pdf file |
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