2017•Modern Physics Letters AOpen access

Charged dilaton black hole in 2 + 1 dimensions as a particle accelerator

Sharmanthie Fernando

Abstract

In this paper, we have studied particle collisions around a charged dilaton black hole in 2 + 1 dimensions. This black hole is a solution to the low energy string action in 2 + 1 dimensions. Time-like geodesics for charged particles are studied in detail. The center-of-mass energy for two charged particles colliding closer to the horizon is calculated and shown to be infinite if one of the particles has the critical charge.

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Key concepts: Physics, Charged black hole, Charged particle, Dilaton, Black hole (networking), Penrose process, String (physics), Extremal black hole