Reheating study of Mexican-Hat-type Potentials
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866915808370753536 |
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| author | Yadav, Sudhava Yadav, Akash Venkataratnam, K. K. |
| author_facet | Yadav, Sudhava Yadav, Akash Venkataratnam, K. K. |
| contents | We study reheating in Mexican Hat type potentials, emphasizing the role of the post-inflationary equation-of-state parameter($\overline{ω}_{\text{re}}$) in shaping observable predictions. By exploring the allowed range of $\overline{ω}_{\text{re}}$, we derive reheating temperature, e-fold counts, and inflationary observables, showing that the conventional Mexican Hat model satisfies Planck18+BK18+BAO constraints on $n_s$ and r. The analysis underscores reheating as a critical link between theoretical potentials and CMB data. In addition, the holographic Mexican Hat realization is examined as a benchmark, with our results mapping its phenomenological boundaries. This work illustrates how reheating studies sharpen constraints and guide refinements of unified inflationary scenarios. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_16144 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Reheating study of Mexican-Hat-type Potentials Yadav, Sudhava Yadav, Akash Venkataratnam, K. K. Cosmology and Nongalactic Astrophysics We study reheating in Mexican Hat type potentials, emphasizing the role of the post-inflationary equation-of-state parameter($\overline{ω}_{\text{re}}$) in shaping observable predictions. By exploring the allowed range of $\overline{ω}_{\text{re}}$, we derive reheating temperature, e-fold counts, and inflationary observables, showing that the conventional Mexican Hat model satisfies Planck18+BK18+BAO constraints on $n_s$ and r. The analysis underscores reheating as a critical link between theoretical potentials and CMB data. In addition, the holographic Mexican Hat realization is examined as a benchmark, with our results mapping its phenomenological boundaries. This work illustrates how reheating studies sharpen constraints and guide refinements of unified inflationary scenarios. |
| title | Reheating study of Mexican-Hat-type Potentials |
| topic | Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2508.16144 |