Evolution of ȧ=da/dt=H·a as function of scalefactor a & time t
Equations: ȧ(a)=H0·a·√(Ωr/a⁴+Ωm/a³+ΩΛ), t(a)=∫{0...a}[da/ȧ(a)]
Ωr=0.000092136, Ωm=0.315, ΩΛ=1-Ωr-Ωm, t0=1.3842e+10, H0=67.150
Minimum: ȧ=1.91143e-18 @ ä=d²a/dt²=0, a=0.612850, t=7.72181e+9
Linear Plots
ȧ(a)
ȧ(t)
Log/Log Plots
ȧ(a)
ȧ(t)
«back Index: a, ȧ, ä, ã, â, H, Ḣ, Ḧ, rH, rE, rP, rL, Σr, Ω