Thin and thick bubble walls III: wall energy
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arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866916559865249792 |
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| author | Mégevand, Ariel Membiela, Federico Agustín |
| author_facet | Mégevand, Ariel Membiela, Federico Agustín |
| contents | We study the energy-momentum tensor of a bubble wall beyond the approximation of an infinitely thin wall. To this end, we discuss the proper decomposition into wall and bulk contributions, and we use a systematic method to calculate the energy-momentum tensor at any order in the wall width. We consider the specific examples of spherical bubbles with different initial configurations, and we compare our approximations with a numerical computation. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_05612 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Thin and thick bubble walls III: wall energy Mégevand, Ariel Membiela, Federico Agustín General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory We study the energy-momentum tensor of a bubble wall beyond the approximation of an infinitely thin wall. To this end, we discuss the proper decomposition into wall and bulk contributions, and we use a systematic method to calculate the energy-momentum tensor at any order in the wall width. We consider the specific examples of spherical bubbles with different initial configurations, and we compare our approximations with a numerical computation. |
| title | Thin and thick bubble walls III: wall energy |
| topic | General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2501.05612 |