Magnetic mirror stars in five dimensions
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866915179894145024 |
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| author | Bronnikov, Kirill A. Bolokhov, Sergei V. Skvortsova, Milena V. |
| author_facet | Bronnikov, Kirill A. Bolokhov, Sergei V. Skvortsova, Milena V. |
| contents | We discuss a class of solutions of multidimensional gravity which are formally related to black-hole solutions but can observationally look like compact stars whose surface reflects back all particles or signals getting there. Some particular examples of such solutions are presented and studied, including those with a magnetic field in Maxwell or nonlinear electrodynamics (NED) in five dimensions. For NED as a possible source for magnetic mirror stars, we formulate a methodology of solving the 5D Einstein-NED equations and point out the conditions under which there always exist mirror star solutions. We also note that some of the Einstein-Maxwell solutions under consideration are discussed in the literature and called ``topological stars'' due to the circular topology of the fifth dimension. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_01418 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Magnetic mirror stars in five dimensions Bronnikov, Kirill A. Bolokhov, Sergei V. Skvortsova, Milena V. General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena We discuss a class of solutions of multidimensional gravity which are formally related to black-hole solutions but can observationally look like compact stars whose surface reflects back all particles or signals getting there. Some particular examples of such solutions are presented and studied, including those with a magnetic field in Maxwell or nonlinear electrodynamics (NED) in five dimensions. For NED as a possible source for magnetic mirror stars, we formulate a methodology of solving the 5D Einstein-NED equations and point out the conditions under which there always exist mirror star solutions. We also note that some of the Einstein-Maxwell solutions under consideration are discussed in the literature and called ``topological stars'' due to the circular topology of the fifth dimension. |
| title | Magnetic mirror stars in five dimensions |
| topic | General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2503.01418 |