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The End of Cosmic Growth
Eric V. Linder, David Polarski
The growth of large scale structure is a battle between gravitational attraction and cosmic acceleration. We investigate the future behavior of cosmic growth under both general rel…
Consistency of Modified Gravity with a decreasing in a CDM background
Radouane Gannouji, Lavrentios Kazantzidis, Leandros Perivolaropoulos +1
Recent analyses \cite{Nesseris:2017vor,Kazantzidis:2018rnb} have indicated that an effective Newton's constant decreasing with redshift may relieve the observed te…
On the consistency of the expansion with the perturbations
Radouane Gannouji, David Polarski
Assuming a simple form for the growth index gamma(z) depending on two parameters gamma_0 = gamma(z=0) and gamma_1 = gamma'(z=0), we show that these parameters can be constrained us…