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Linear Nash-Greene fluctuations on the evolution of S8 and H0 tensions

Capistrano, Abraão J. S.; Cabral, Luís A.; Marão, José A. P. F. +1 more

We present the perturbation equations in an embedded four space-time from the linear Nash-Greene fluctuations of background metric. In the context of a five-dimensional bulk, we show that the cosmological perturbations are only propagated by the gravitational tensorial field equation. In Newtonian conformal gauge, we study the matter density evolu…