Primordial black holes: constraints, potential evidence and prospects
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866917376605290496 |
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| author | Carr, Bernard Iovino, Antonio J. Perna, Gabriele Vaskonen, Ville Veermäe, Hardi |
| author_facet | Carr, Bernard Iovino, Antonio J. Perna, Gabriele Vaskonen, Ville Veermäe, Hardi |
| contents | Primordial black holes (PBHs) may have formed in the early Universe and may account for all or part of the dark matter. In this review, we summarize the current observational constraints on PBHs across the full mass range, highlight potential evidence for their existence, and outline the prospects for future searches, particularly with gravitational-wave observatories. We also discuss different PBH formation scenarios, identify the corresponding mass functions, and present the observational constraints in each case. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2601_06024 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Primordial black holes: constraints, potential evidence and prospects Carr, Bernard Iovino, Antonio J. Perna, Gabriele Vaskonen, Ville Veermäe, Hardi Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology Primordial black holes (PBHs) may have formed in the early Universe and may account for all or part of the dark matter. In this review, we summarize the current observational constraints on PBHs across the full mass range, highlight potential evidence for their existence, and outline the prospects for future searches, particularly with gravitational-wave observatories. We also discuss different PBH formation scenarios, identify the corresponding mass functions, and present the observational constraints in each case. |
| title | Primordial black holes: constraints, potential evidence and prospects |
| topic | Cosmology and Nongalactic Astrophysics General Relativity and Quantum Cosmology High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2601.06024 |