AdS black holes as reflecting cavities
AdS black holes as reflecting cavities
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AdS 黑洞作为反射腔
DOI：
10.1088/1126-6708/2008/09/118
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
Carlos Hoyos
中科院分区：
文献类型：
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作者：
I. Amado;Carlos Hoyos
我们利用体中关联函数的零奇点与边界关联函数中的时间奇点之间的对应关系，通过在反德西特（AdS）黑洞背景下对经典解使用程函近似来研究含时热格林函数的解析结构。我们表明，复时间中奇点的位置可以根据在永恒黑洞的边界和奇点上反弹的零射线来理解，从而给出一个“反射腔”的图像。然后，我们可以提取出大AdS黑洞中拟正则模频率渐近值的一般解析表达式。
We use the identification between null singularities of correlators in the bulk with time singularities in the boundary correlators to study the analytic structure of time-dependent thermal Green functions using the eikonal approximation for classical solutions in the AdS black hole background. We show that the location of singularities in complex time can be understood in terms of null rays bouncing on the boundaries and singularities of the eternal black hole, giving the picture of a `reflecting cavity'. We can then extract the general analytic expression for the asymptotic values of the frequencies of quasinormal modes in large AdS black holes.