Geodesic Stability for Kehagias-Sfetsos Black Hole in Hořava-Lifshitz Gravity via Lyapunov Exponents

By computing the Lyapunov exponent, which is the inverse of the instability time scale associated with this geodesic motion we show that for a general Kehagias-Sfetsos (KS) solution, there is two region of space which in both of them the equatorial timelike geodesics are stable via Lyapunov measure of stability.

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