Сигнали від раннього Всесвіту

• Date: 2024
• Main Author: Wolschin, G.
• Format: Article
• Language: English
• Published: Publishing house "Academperiodika" 2024
• Subjects: рiвняння нелiнiйної дифузiї; часткова термалiзацiя фотонiв Lyα; космiчний мiкрохвильовий фон
• Online Access: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2023487
• Journal Title: Ukrainian Journal of Physics

It is proposed to account for the time-dependent partial thermalization of the Ly α lines emitted during cosmic recombination of electrons and protons in the early Universe based on an analytically solvable nonlinear diffusion model. The amplitude of the partially thermalized and redshifted Lyα line...