Particle acceleration around a five-dimensional Kerr black hole

Abstract

On the lines of the 4-dimensional Kerr black hole we consider the particle acceleration near a 5-dimensional Kerr black hole which has the two rotation parameters. It turns out that the center of mass energy of the two equal mass colliding particles as expected diverges for the extremal black hole and there is a symmetry in the results for θ = 0, π/2. Because of the two rotation parameters, r = 0 can be a horizon without being a curvature singularity. It is shown that the acceleration of particles to high energies near the 5-D extreme rotating black hole avoids fine-tuning of the angular momentum of particles.

High energy collision of particles in the vicinity of extremal black holes in higher dimensions: Bañados-Silk-West process as linear instability of extremal black holes

“…This is because the BSW process works well in higher dimensions as shown in this paper, though it is known that ISCO does not exist around the higher dimensional black holes. While this paper was being prepared for submission, an interesting paper [39] by Abdujabbarov et al appeared, where the case of five-dimensional Myers-Perry black holes was discussed. Here we briefly comment on their claims.…”

New Electrically Charged Black Hole in Higher Derivative Gravity

“…That interesting work immediately attracted the attention of many physicists resulting in several related works in other scenarios [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27]. Following this previous idea one could ask if the same mechanism appears in this higher derivative theory of gravity.…”

Particle collision with an arbitrarily high center-of-mass energy near a Bañados-Teitelboim-Zanelli black hole

“…The effect of a weak electromagnetic field on the BSW collision [7] and the BSW collision in the near-horizon geometry of the extremal Kerr black hole spacetime were discussed [8]. Two ingoing neutral particle collide with an arbitrarily large center-of-mass energy in a near horizon limit not only in the extremal Kerr black hole spacetime but also in the Kerr-Newmann spacetime [9], in the Kerr naked singularity spacetime [10] in the Kerr-de Sitter black hole spacetime [11], in higher dimensional black hole spacetimes [12,13], and in lower dimensional black hole spacetimes [14][15][16][17].…”