Perturbed Kerr Black Holes can probe deviations from General Relativity
Enrico Barausse, Thomas P. Sotiriou
TL;DR
Perturbed Kerr black holes can serve as a tool to detect deviations from General Relativity because their perturbation characteristics vary across different gravity theories.
Contribution
This work highlights the potential of using perturbed Kerr black holes to test and distinguish between gravity theories beyond General Relativity.
Findings
Perturbed Kerr black holes exhibit theory-dependent signatures.
They can be used to identify deviations from Einstein's gravity.
This approach offers a new observational probe for alternative gravity theories.
Abstract
Although the Kerr solution is common to many gravity theories, its perturbations are different in different theories. Hence, perturbed Kerr black holes can probe deviations from General Relativity.
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