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Circular and noncircular nearly horizon-skimming orbits in Kerr spacetimes
2007
Physical Review D
We have performed a detailed analysis of orbital motion in the vicinity of a nearly extremal Kerr black hole. For very rapidly rotating black holes (spin a=J/M>0.9524M) we have found a class of very strong field eccentric orbits whose angular momentum L_z increases with the orbit's inclination with respect to the equatorial plane, while keeping latus rectum and eccentricity fixed. This behavior is in contrast with Newtonian intuition, and is in fact opposite to the "normal" behavior of black
doi:10.1103/physrevd.76.044007
fatcat:bplohfjg3fcl7ctbazkthh4hsa