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- W4293546487 abstract "The Johannsen-Psaltis spacetime is a perturbation of the Kerr spacetime designed to avoid pathologies like naked singularities and closed timelike curves. This spacetime depends not only on the mass and the spin of the compact object, but also on extra parameters, making the spacetime deviate from Kerr; in this work we consider only the lowest order physically meaningful extra parameter. We use numerical examples to show that geodesic motion in this spacetime can exhibit chaotic behavior. We study the corresponding phase space by using Poincar'{e} sections and rotation numbers to show chaotic behavior, and we use Lyapunov exponents to directly estimate the sensitivity to initial conditions for chaotic orbits." @default.
- W4293546487 created "2022-08-30" @default.
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- W4293546487 date "2017-11-07" @default.
- W4293546487 modified "2023-09-23" @default.
- W4293546487 title "Chaotic motion in the Johannsen-Psaltis spacetime" @default.
- W4293546487 doi "https://doi.org/10.48550/arxiv.1711.02442" @default.
- W4293546487 hasPublicationYear "2017" @default.
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