标题： 带电弦性黑洞-镜像系统超辐射不稳定性数值研究 显示英文标题

标题： Numerical study of superradiant instability for charged stringy black hole-mirror system

摘要： 我们数值研究了带电弦黑洞背景下带有镜面边界条件的带电无质量标量场的超辐射不稳定性。我们将数值结果与先前的解析结果进行了比较，并展示了这种不稳定性对黑洞电荷$Q$、标量场电荷$q$和镜面半径$r_m$各种参数的依赖性。特别是，我们观察到BQN频率的虚部随着标量场电荷$q$的增加迅速增大。 显示英文摘要

摘要： We numerically study the superradiant instability of charged massless scalar field in the background of charged stringy black hole with mirror-like boundary condition. We compare the numerical result with the previous analytical result and show the dependencies of this instability upon various parameters of black hole charge $Q$, scalar field charge $q$, and mirror radius $r_m$. Especially, we have observed that imaginary part of BQN frequencies grows with the scalar field charge $q$ rapidly.