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Author

Alberto Magaraggia

2 papers indexed here

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Preprint Aug 2026

Primordial Black Holes as Cosmic Architects: Imprints of an extended mass function

Primordial black holes (PBHs) remain compelling dark-matter candidates and possible relics of early-Universe physics, with observable imprints across both cosmological structure formation and gravitational-wave astronomy. We investigate the consequences of a PBH population described by an extended, physically motivated...

Alberto Magaraggia, N. Cappelluti, G. Hasinger et al. · 1 citation
Preprint Aug 2026

Primordial Asymmetries, Primordial Equation of State&Primordial Black Holes

We study the thermal history of the primordial Universe in the presence of non-zero lepton and baryon asymmetries. Considering different scenarios, we determine the equation of state (EoS) of the Universe from T = 10 GeV down to T = 1 keV, spanning the QCD transition, hadron gas phase and neutrino decoupling epochs. Us...

Maël Gonin, Julien Froustey, Albert Escrivà et al. · 1 citation

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