We study the geodesic motions of a test particle around 2+1 dimensional charged black holes. We obtain a class of exact geodesic motions for the massless test particle when the ratio of its energy and angular momentum is given by square root of cosmological constant. The other geodesic motions for both massless and massive test particles are analyzed by use of numerical method.
@article{arxiv.gr-qc/9901027,
title = {Geodesic Motions in 2+1 Dimensional Charged Black Holes},
author = {Dong Hyun Park and Seung-ho Yang},
journal= {arXiv preprint arXiv:gr-qc/9901027},
year = {2015}
}