Constraints on Primordial Black Holes from Neff: Scalar-induced Gravitational Waves as an Extra Radiation Component

In 2023 June, multiple pulsar timing array collaborations provided evidence for the existence of a stochastic gravitational-wave background. Scalar-induced gravitational waves (SIGWs), as one of the most likely sources of stochastic gravitational waves, have received widespread attention. When primo...

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Autors principals:	Jing-Zhi Zhou, Yu-Ting Kuang, Zhe Chang, H. Lü
Format:	Artigo
Idioma:	Inglês
Publicat:	IOP Publishing 2025-01-01
Col·lecció:	The Astrophysical Journal
Matèries:	Cosmic microwave background radiation Cosmological parameters from large-scale structure Gravitational waves Primordial black holes Non-Gaussianity Cosmology
Accés en línia:	https://doi.org/10.3847/1538-4357/ada6b4
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