Geodesic motion in equal angular momenta Myers-Perry-AdS spacetimes

@article{Delsate2015GeodesicMI,
  title={Geodesic motion in equal angular momenta Myers-Perry-AdS spacetimes},
  author={Terence Delsate and Jorge V Rocha and Raphael Santarelli},
  journal={Physical Review D},
  year={2015},
  volume={92},
  pages={084028}
}
nd that the ISCO dives below the ergosurface for black holes rotating close to extremality and merges with the event horizon exactly at extremality, in analogy with the fourdimensional Kerr case. For suciently massive black holes in AdS there exists a spin parameter range in which the background spacetime is stable against super-radiance and the ISCO lies inside the ergoregion. Our results for massless geodesics show that there are no stable circular null orbits outside the horizon, but there… 
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