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Analytical external spherical solutions in entangled relativity

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arxiv 2106.03426 v2 pith:XWXCCGCL submitted 2021-06-07 gr-qc

Denis Arruga , Olivier Minazzoli This is my paper · ORCID
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keywords solutionsanalyticalexternalsphericalcompactentanglednumericalrelativity
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In this manuscript, we present analytical external spherical solutions of entangled relativity, which we compare to numerical solutions obtained in a Tolman-Oppenheimer-Volkoff framework. Analytical and numerical solutions match perfectly well outside spherical compact objects, therefore validating both types of solutions at the same time. The analytical external (hairy) solutions -- which depend on two parameters only -- may be used in order to easily compute observables -- such as X-ray pusle profiles -- without having to rely on an unknown equation of state for matter inside the compact object.

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Cited by 2 Pith papers

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  1. Lagrangian Identity and Mass Evolution of Particle-like Objects in Nonminimally Coupled Gravity

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  2. Numerical evaluation of the exact post-Newtonian parameters in Brans-Dicke and entangled relativity theories

    gr-qc 2026-02 conditional novelty 6.0 of 10

    First numerical evaluation of the exact strong-field post-Newtonian parameters in Brans–Dicke and Entangled Relativity: neutron-star deviations up to ~46% from standard values, and dipolar gravitational-wave predictio...

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