Planetary seismology as a test of modified gravity proposals
arXiv (Cornell University)(2023)
摘要
We demonstrate that it is possible to test models of gravity, such as Palatini $f(R)$ and Eddington-inspired Born-Infeld models, using seismic data from Earth. By incorporating additional limitations on Earth's moment of inertia and mass given from observational data, the models' parameters can be restricted to a $2\sigma$ level of accuracy. Our novel tool provides that $\beta\lesssim 10^9 \text{m}^2$ for Palatini and $\epsilon\lesssim 4\cdot 10^9 \text{m}^2$ for Eddington-inspired Born-Infeld gravity. We also discuss further enhancements to the proposed method, aimed at imposing even more stringent constraints on modified gravity proposals.
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关键词
modified gravity,proposals
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