Evolution of the density-temperature distribution from the 100 Mpc/h \(2048^3\) box using our new Rescaled P19 model:

\[\beta_{\mathrm{He}} = 0.44\] \[\beta_{\mathrm{H}} = 0.78\] \[\Delta z_{\mathrm{He}} = 0.27\] \[\Delta z_{\mathrm{H}} = 0.05\]