2022
DOI: 10.48550/arxiv.2202.01329
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Black hole sensitivities in Einstein-scalar-Gauss-Bonnet gravity

Félix-Louis Julié,
Hector O. Silva,
Emanuele Berti
et al.

Abstract: The post-Newtonian dynamics of black hole binaries in Einstein-scalar-Gauss-Bonnet theories of gravity depends on the so-called "sensitivities", quantities which characterize a black hole's adiabatic response to the time-dependent scalar field environment sourced by its companion. In this work, we calculate numerically the sensitivities of nonrotating black holes, including spontaneously scalarized ones, in three classes of Einstein-scalar-Gauss-Bonnet gravity: the shift-symmetric, dilatonic and Gaussian theor… Show more

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Cited by 6 publications
(7 citation statements)
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References 107 publications
(252 reference statements)
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“…Therefore, all changes in the EMRI evolution given by the extra scalar field are uniquely and universally specified by the value of d. For many gravity theories, the latter can be uniquely mapped to the theoretical parameters which control deviations from GR. In such cases, future measurements of d with LISA observations, can be translated to constraints on the fundamental parameters that characterize beyond GR theories [19,80]. These results have important consequences.…”
Section: B Field Equationsmentioning
confidence: 99%
“…Therefore, all changes in the EMRI evolution given by the extra scalar field are uniquely and universally specified by the value of d. For many gravity theories, the latter can be uniquely mapped to the theoretical parameters which control deviations from GR. In such cases, future measurements of d with LISA observations, can be translated to constraints on the fundamental parameters that characterize beyond GR theories [19,80]. These results have important consequences.…”
Section: B Field Equationsmentioning
confidence: 99%
“…First, the presence of the scalar charge implies that when in binaries, BHs can source scalar-dipole radiation (see, e.g., Refs. [77][78][79][80][81]) which affects the GW phase at −1PN order (relative to the dominant quadrupolar GR contribution), with magnitude proportional to the difference between the charges of binary components. This makes EdGB gravity testable with GW observations of compact binaries where at least one component is a BH.…”
Section: A Einstein-dilaton-gauss-bonnet Gravitymentioning
confidence: 99%
“…Therefore, all changes in the EMRI evolution given by the extra scalar field are uniquely and universally specified by the value of d. For many gravity theories, the latter can be uniquely mapped to the theoretical parameters which control deviations from GR. In such cases, future measurements of d with LISA observations, can be translated to constraints on the fundamental parameters that characterize beyond GR theories [19,79]. These results have important consequences.…”
Section: B Field Equationsmentioning
confidence: 99%