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General Relativity and Quantum Cosmology

arXiv:2412.05378 (gr-qc)
[Submitted on 6 Dec 2024]

Title:On the Structure of Black Bounces Sourced by Anisotropic Fluids

Authors:L. A. Lessa, G.J. Olmo
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Abstract:The field equations of static, spherically symmetric geometries generated by anisotropic fluids is investigated with the aim of better understanding the relation between the matter and the emergence of minimal area throats, like in wormhole and black bounce scenarios. Imposing some simplifying restrictions on the matter, which amounts to considering nonlinear electromagnetic sources, we find analytical expressions that allow one to design the type of sought geometries. We illustrate our analysis with several examples, including an asymmetric, bounded black bounce spacetime which reproduces the standard Reissner-Nordstrom geometry on the outside all the way down to the throat.
Subjects: General Relativity and Quantum Cosmology (gr-qc)
Cite as: arXiv:2412.05378 [gr-qc]
  (or arXiv:2412.05378v1 [gr-qc] for this version)
  https://doi.org/10.48550/arXiv.2412.05378
Journal reference: JCAP03(2025)019
Related DOI: https://doi.org/10.1088/1475-7516/2025/03/019

Submission history

From: Leandro Lessa [view email]
[v1] Fri, 6 Dec 2024 19:11:55 UTC (155 KB)
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