Critical behaviors of a (2 + 1)-dimensional black hole with a nonlinear electrodynamics source

Li-Hua Wang,Yun He,Meng-Sen Ma

Figure 1. Behaviors of the metric function for different values of a. From top to bottom, a = 1, 0.327, 0.1. Other parameters take fixed values: m = 2, q = 1, l = 10.