Equatorial orbits and imaging of hairy cubic Galileon black holes

@article{VanAelst2021EquatorialOA,
  title={Equatorial orbits and imaging of hairy cubic Galileon black holes},
  author={K. Van Aelst and E. Gourgoulhon and Frederic H. Vincent},
  journal={Physical Review D},
  year={2021}
}
Null and timelike equatorial orbits are investigated in a family of hairy black holes in the cubic Galileon theory. These include rotating generalizations of static black hole metrics supporting a time-dependent scalar field. Depending on the coupling and rotation, the properties of the geodesics expectedly deviate from general relativity. In particular, it is found that stable circular geodesics only exist below a critical coupling, which is related to the existence of an outermost stable… 

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