A method to determine the evolution history of the mean neutral Hydrogen fraction

Rajesh Mondal, Somnath Bharadwaj, Ilian T. Iliev +4

The light-cone (LC) effect imprints the cosmological evolution of the redshifted 21-cm signal $T_{\mathrm{b}}(\hat{\mathbf{n}},\nu )$ along the frequency axis which is the line of sight (L…