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Doppelgänger dark energy: modified gravity with non-universal couplings after GW170817

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Gravitational Wave (GW) astronomy severely narrowed down the theoretical space for scalar-tensor theories. We propose a new class of attractor models for Horndeski action in which GWs propagate at the speed of light in the nearby universe but not in the past. To do so we derive new solutions to the...

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Main Authors: Amendola, Luca (Author) , Bettoni, Dario (Author) , Domènech Fuertes, Guillem (Author) , Gomes, Adalto R. (Author)
Format: Article (Journal)
Language:English
Published: 18 June 2018
In: Journal of cosmology and astroparticle physics
Year: 2018, Issue: 6, Pages: 1-27
ISSN:1475-7516
DOI:10.1088/1475-7516/2018/06/029
Online Access:Verlag, Volltext: http://dx.doi.org/10.1088/1475-7516/2018/06/029
Verlag, Volltext: http://stacks.iop.org/1475-7516/2018/i=06/a=029
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Author Notes:Luca Amendola, Dario Bettoni, Guillem Domènech and Adalto R. Gomes
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Doppelgänger dark energy: modified gravity with non-universal couplings after GW170817 by Amendola, Luca (Author) , Bettoni, Dario (Author) , Domènech Fuertes, Guillem (Author) ,


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