Four-function generalization and separable structures of the Plebanski spacetime with sources
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866909862998310912 |
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| author | Acevedo, Alfonso S. Breton, Nora |
| author_facet | Acevedo, Alfonso S. Breton, Nora |
| contents | We determine a four-function generalization of the Plebanski spacetime, depending on three arbitrary functions of the radial coordinate, and one function on the angular coordinate. For the generalized Plebanski spacetime, we analyze the separability of the Hamilton--Jacobi equations, and the trajectories of charged test particles are derived from the motion constants. The Klein-Gordon equation separability is established and the Killing horizons are presented as well. Then we introduce a conformal factor to the Plebanski metric and discuss the conditions that preserve the separability. Finally we show a possible stress--energy tensor that may be the source of some of the generalized metrics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_17856 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Four-function generalization and separable structures of the Plebanski spacetime with sources Acevedo, Alfonso S. Breton, Nora General Relativity and Quantum Cosmology 83 (Primary) We determine a four-function generalization of the Plebanski spacetime, depending on three arbitrary functions of the radial coordinate, and one function on the angular coordinate. For the generalized Plebanski spacetime, we analyze the separability of the Hamilton--Jacobi equations, and the trajectories of charged test particles are derived from the motion constants. The Klein-Gordon equation separability is established and the Killing horizons are presented as well. Then we introduce a conformal factor to the Plebanski metric and discuss the conditions that preserve the separability. Finally we show a possible stress--energy tensor that may be the source of some of the generalized metrics. |
| title | Four-function generalization and separable structures of the Plebanski spacetime with sources |
| topic | General Relativity and Quantum Cosmology 83 (Primary) |
| url | https://arxiv.org/abs/2506.17856 |