Matter-era linear growth factor

After neglecting the decaying mode, the linear growth between conformal times

τ_{1}

and

τ_{2}

D (τ_{2}, τ_{1}) = \frac{a ( τ _{2} )}{a ( τ _{1} )} = (\frac{τ _{2}}{τ _{1}})^{2} .

 Ancestors (6)