标题： 解析确定施瓦茨希尔德-德西特黑洞的渐近准正则模式谱 显示英文标题

标题： Analytic determination of the asymptotic quasi-normal mode spectrum of Schwarzschild-de Sitter black holes

摘要： 我们考虑施瓦茨希尔德-德西特（SdS）黑洞的扰动。 按照Motl和Neitzke进行的分析，我们对继续到复平面上的扰动方程进行解析研究，并计算相关的单值性。 我们表明SdS情况具有类似于渐近平坦的施瓦茨希尔德的特征，并推导出渐近高度阻尼准正则模谱的解析表达式。 对于接近极端SdS黑洞的情况，我们的结果得到了最近的数值数据的定性支持。 显示英文摘要

摘要： We consider perturbations of Schwarzschild-de Sitter (SdS) black holes. Following the analysis performed by Motl and Neitzke, we analytically study the perturbation equation continued to the complex plane and compute the associated monodromy. We show that the SdS case has features similar to those of asymptotically flat Schwarzschild and deduce an analytic expression for the asymptotic, highly damped quasi-normal mode spectrum. For the case of near-extreme SdS black holes our results are qualitatively supported by very recent numerical data.