Reheating with Thermal Dissipation and Primordial Gravitational Waves
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866912956941336576 |
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| author | Minami, Kazuma Mukaida, Kyohei Nakayama, Kazunori |
| author_facet | Minami, Kazuma Mukaida, Kyohei Nakayama, Kazunori |
| contents | In order for an inflationary universe to evolve into a hot universe, a process known as reheating is required. However, the precise mechanism of reheating remains unknown. We show that if the reheating is triggered by thermal dissipation effects, distinctive features appear in the spectrum of primordial gravitational waves. This suggests a possible way to observationally probe the physics of reheating. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_02481 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Reheating with Thermal Dissipation and Primordial Gravitational Waves Minami, Kazuma Mukaida, Kyohei Nakayama, Kazunori Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology In order for an inflationary universe to evolve into a hot universe, a process known as reheating is required. However, the precise mechanism of reheating remains unknown. We show that if the reheating is triggered by thermal dissipation effects, distinctive features appear in the spectrum of primordial gravitational waves. This suggests a possible way to observationally probe the physics of reheating. |
| title | Reheating with Thermal Dissipation and Primordial Gravitational Waves |
| topic | Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2510.02481 |