Particle motion in Horava-Lifshitz black hole space-times
arXiv:1106.4913 · doi:10.1103/PhysRevD.84.084011
Abstract
We study the particle motion in the space-time of a Kehagias-Sfetsos (KS) black hole. This is a static spherically symmetric solution of a Horava-Lifshitz gravity model that reduces to General Relativity in the IR limit and deviates slightly from detailed balance. Taking the viewpoint that the model is essentially a (3+1)-dimensional modification of General Relativity we use the geodesic equation to determine the motion of massive and massless particles. We solve the geodesic equation exactly by using numerical techniques. We find that neither massless nor massive particles with non-vanishing angular momentum can reach the singularity at r=0. Next to bound and escape orbits that are also present in the Schwarzschild space-time we find that new types of orbits exist: manyworld bound orbits as well as two-world escape orbits. We also discuss observables such as the perihelion shift and the light deflection.
16 pages including 13 figures; minor changes, to match version accepted for publication in Phys. Rev. D
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- Motion of test particles in a regular black hole space--time
- Optical effects related to Keplerian discs orbiting Kehagias-Sfetsos naked singularities
- On null geodesics and shadow of hairy black holes in Einstein-Maxwell-dilaton gravity
- Geodesics and periodic orbits in Kehagias-Sfetsos black holes in deformed Hourava-Lifshitz gravity
- Particle acceleration in Horava-Lifshitz black holes
- Marginally Stable Circular Orbits in Schwarzschild Black Hole Surrounded by Quintessence Matter
- Null geodesics and shadow of 4 Einstein-Gauss-Bonnet black holes surrounded by quintessence
- Geodesic motion around a distorted static black hole
- A Slowly Rotating Black Hole in Horava-Lifshitz Gravity and a 3+1 Dimensional Topological Black Hole: Motion of Particles and BSW Mechanism
- Perfect fluid tori orbiting Kehagias-Sfetsos naked singularities
- Gravitational lensing around Kehagias-Sfetsos compact objects surrounded by plasma
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- Hořava's quantum gravity illustrated by embedding diagrams of the Kehagias-Sfetsos spacetimes
- Quantum Probe of Hořava-Lifshitz Gravity
- Different Regular Black Holes: Geodesic Structures of Test Particles
- Geodesic structure of a noncommutative black hole
- Hyperelliptic functions and motion in general relativity