V.D325 — Matter Transfer Function Baseline

Eisenstein-Hu (1998) T(k) at τ-NLO parameters. k_eq(τ)=0.0163 h/Mpc vs Planck 0.0156. Divergence from +0.1% (superhorizon) to +9.7% (k=1 h/Mpc). Foundation for τ-native Boltzmann solver.