= = We can write the Robertson-Walker metric in the form, ds2 = dt? – ev(r,t) (dr2 + r2d02 + ra sin’dø2) with v(r, t) =
Posted: Mon May 02, 2022 4:17 pm
= = We can write the Robertson-Walker metric in the form, ds2 = dt? – ev(r,t) (dr2 + r2d02 + ra sin’dø2) with v(r, t) = f(r) + g(t) Now show that the Robertson-Walker field equations can be written as XTº = -e-v(rit) (f" + + 2f) + 3ģa – A XT} = -e-v(5:6) + +ğ + 92 - A XT} = -e-Mr.1) ( + ) +9+2 - 1 = xT} vrst*" f' ġġ– A :2 4 4 = + 4 r = 2r