Ultra-massive spacetimes in 2+1 dimensions with positive Λ
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arXiv
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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911018023649280 |
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| author | Bengtsson, Ingemar Senovilla, José M M |
| author_facet | Bengtsson, Ingemar Senovilla, José M M |
| contents | We show that ultra-massive spacetimes exist also in 2 + 1 dimensions with a positive cosmological constant Λ > 0. They can be created through the collapse of a spherical null dust shell. The exterior of the shell is then a Mess spacetime, that is to say a locally de Sitter spacetime that cannot be obtained as a quotient of de Sitter space. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_19187 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Ultra-massive spacetimes in 2+1 dimensions with positive Λ Bengtsson, Ingemar Senovilla, José M M General Relativity and Quantum Cosmology Mathematical Physics We show that ultra-massive spacetimes exist also in 2 + 1 dimensions with a positive cosmological constant Λ > 0. They can be created through the collapse of a spherical null dust shell. The exterior of the shell is then a Mess spacetime, that is to say a locally de Sitter spacetime that cannot be obtained as a quotient of de Sitter space. |
| title | Ultra-massive spacetimes in 2+1 dimensions with positive Λ |
| topic | General Relativity and Quantum Cosmology Mathematical Physics |
| url | https://arxiv.org/abs/2503.19187 |