Advanced Three Level Approximation for Numerical Treatment of Cosmological Recombination

Details Advanced Three Level Approximation for Numerical Treatment of Cosmological Recombination Advanced Three Level Approximation for Numerical Treatment of Cosmological Recombination

2011-04-15

arxiv.org/abs/1104.3050v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

10 pages, 7 figures, 1 table, to be submitted to MNRAS

Scientific paper

New public numerical code for fast calculations of the cosmological recombination of primordial hydrogen-helium plasma is presented. The code is based on the three-level approximation (TLA) model of recombination and allows us to take into account some fine physical effects of cosmological recombination simultaneously with using fudge factors. The code can be found at http://www.ioffe.ru/astro/QC/CMBR/atlant/atlant.html

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