Modified gravity for surveys

Luisa G. Jaime, Mariana Jaber, Celia Escamilla-Rivera

We present a new parameterization for the equation of state (EoS) ${\omega }_X=P_X/{\rho }_X$, which can reproduce a $f(R)$-like evolution with a precision between $[0.5\%-0.8\%]$ over the numer…