An analytic toy model for relativistic accretion in Kerr space–time

  title={An analytic toy model for relativistic accretion in Kerr space–time},
  author={Emilio Tejeda and Paul Allen Taylor and John Clark Miller},
  journal={Monthly Notices of the Royal Astronomical Society},
We present a relativistic model for the stationary axisymmetric accretion flow of a rotating cloud of non-interacting particles falling onto a Kerr black hole. Based on a ballistic approximation, streamlines are described analytically in terms of timelike geodesics, while a simple numerical scheme is introduced for calculating the density field. A novel approach is presented for describing all of the possible types of orbit by means of a single analytic expression. This model is a useful tool… 

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