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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2601.15147 |
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| _version_ | 1866908779988123648 |
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| author | Dembitskaia, A. I. Weiss, Stephane Khlopov, M. Yu. Krasnov, M. A. |
| author_facet | Dembitskaia, A. I. Weiss, Stephane Khlopov, M. Yu. Krasnov, M. A. |
| contents | According to modern physics, our Universe is baryon-asymmetric. That phenomenon can not be described in the frameworks of the Standard Model of particle physics. Globally, the Universe consists of baryon matter. However, some scenarios can lead to the existence of local antimatter domains. In the research, the chemical evolution of such an isolated antimatter domain, surrounded by baryonic matter, is studied. The size of the domain is estimated according to the conditions of its survival in baryon surrounding, and the process of annihilation at its border is taken into account. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_15147 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Chemical evolution of antimatter domains in early Universe Dembitskaia, A. I. Weiss, Stephane Khlopov, M. Yu. Krasnov, M. A. High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics According to modern physics, our Universe is baryon-asymmetric. That phenomenon can not be described in the frameworks of the Standard Model of particle physics. Globally, the Universe consists of baryon matter. However, some scenarios can lead to the existence of local antimatter domains. In the research, the chemical evolution of such an isolated antimatter domain, surrounded by baryonic matter, is studied. The size of the domain is estimated according to the conditions of its survival in baryon surrounding, and the process of annihilation at its border is taken into account. |
| title | Chemical evolution of antimatter domains in early Universe |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2601.15147 |