Accurate determination of radiation damped profiles in the reionization epoch
Abstract
Combining accurate scattering theory and standard cosmology, we investigate intrinsic model profiles for extremely high column density neutral hydrogen systems near the epoch of reionization. When the neutral column density reaches N_HI ∼ 1022 cm-2, the classical approximations can not describe radiation damped profile properly. Based on the second-order perturbation theory, we accurately computed the intrinsic Lyman scattering cross-sections. Employing the Monte Carlo method to random distribution of Lyalpha absorbers in the post-reionization region, we quantitatively examined the impact of inhomogeneous redshift distribution on transmission profiles.
- Publication:
-
Memorie della Societa Astronomica Italiana
- Pub Date:
- 2017
- Bibcode:
- 2017MmSAI..88..854B