Journal
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES
Volume 8, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fspas.2021.681084
Keywords
primordial black holes; dark matter; cosmology; accretion; 21 cm cosmology; gravitational waves; cosmic microwave background; microlensing
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Funding
- Spanish FEDER/MCIU-AEI grant [FPA2017-84543-P]
- Portuguese FCT [UID/FIS/00777/2019, CERN/FIS-PAR/0004/2019]
- European ITN project HIDDeN [H2020-MSCA-ITN-2019//860881-HIDDeN]
- [FPA2017-85985-P]
- [PROMETEO/2019/083]
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This review discusses the formation, abundance, and characteristic signals of primordial black holes, as well as their impact on the evolution of the Universe and structure formation. It also explores the most relevant probes capable of constraining their masses and population.
Primordial black holes (PBHs) represent a natural candidate for one of the components of the dark matter (DM) in the Universe. In this review, we shall discuss the basics of their formation, abundance and signatures. Some of their characteristic signals are examined, such as the emission of particles due to Hawking evaporation and the accretion of the surrounding matter, effects which could leave an impact in the evolution of the Universe and the formation of structures. The most relevant probes capable of constraining their masses and population are discussed.
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