QED model of the radiation escape from the matter
T. Zalialiutdinov, D. Solovyev, L. Labzowsky
TL;DR
This paper introduces a QED-based model to estimate how excited state multi-photon decays influence radiation escape during cosmological hydrogen recombination, highlighting the significance of 3-photon decays for precise astrophysical observations.
Contribution
It presents a novel QED model that accounts for 3-photon decays, enhancing the understanding of radiation escape in cosmological hydrogen recombination.
Findings
3-photon decays contribute at 0.1% level
The model improves accuracy of radiation escape estimates
Highlights importance of multi-photon processes in cosmology
Abstract
A simple model based on QED is presented for the estimation of contribution of the excited level few-photon decays to the radiation escape from the matter in the epoch of the cosmological hydrogen recombination. It is shown that apart from the widely studied two-photon decays, some specific 3-photon decays can contribute on the level of 0.1% accuracy, required by the recent astrophysical observations.
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