Evolution of the Hubbleparameter H by scalefactor a and time t

Equations: H(a)=H0·√(Ωr/a⁴+Ωm/a³+ΩΛ), t(a)=∫{0...a}[da/a/H(a)]

Ωr=0.000092136, Ωm=0.315, ΩΛ=1-Ωr-Ωm, t0=1.3842e+10, H0=67.150

Final Hubbleparameter @ a→∞, t→∞: H(∞)=c/rH(∞)=H0·√(ΩΛ)=55.573          


Linear Plots



H(a)




H(t)


Log/Log Plots



H(a)




H(t)

«back   Index: a, ȧ, ä, ã, â, H, , , rH, rE, rP, rL, Σr, Ω