Baryogenesis from Exploding Primordial Black Holes
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866915900934848512 |
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| author | Klipfel, Alexandra P. Vanvlasselaer, Miguel Trifinopoulos, Sokratis Kaiser, David I. |
| author_facet | Klipfel, Alexandra P. Vanvlasselaer, Miguel Trifinopoulos, Sokratis Kaiser, David I. |
| contents | Exploding primordial black holes can source baryon asymmetry soon after the electroweak phase transition, as high-energy Hawking radiation drives ultrarelativistic shocks in the surrounding plasma. The shocks and their trailing rarefaction waves delineate two bubble-like walls around a shell of superheated fluid, in which electroweak symmetry is restored. These moving interfaces source chiral charge, which is converted to baryon number. Upon adding a simple CP-violating operator at the TeV scale, this mechanism yields the observed baryon asymmetry with minimal dependence on PBH model parameters. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_29024 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Baryogenesis from Exploding Primordial Black Holes Klipfel, Alexandra P. Vanvlasselaer, Miguel Trifinopoulos, Sokratis Kaiser, David I. High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Exploding primordial black holes can source baryon asymmetry soon after the electroweak phase transition, as high-energy Hawking radiation drives ultrarelativistic shocks in the surrounding plasma. The shocks and their trailing rarefaction waves delineate two bubble-like walls around a shell of superheated fluid, in which electroweak symmetry is restored. These moving interfaces source chiral charge, which is converted to baryon number. Upon adding a simple CP-violating operator at the TeV scale, this mechanism yields the observed baryon asymmetry with minimal dependence on PBH model parameters. |
| title | Baryogenesis from Exploding Primordial Black Holes |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2603.29024 |