论文标题
米尔恩时空缺陷：一些全息研究
Milne Spacetime with Conical Defect: Some Holographic Studies
论文作者
论文摘要
在这项工作中，我们启动了针对时间依赖背景的现场理论的全息研究。我们关注的是米尔恩时空，在没有宇宙常数的情况下，任何双曲线弗里德曼·罗伯逊 - 罗伯逊 - 沃克尔度量指标流向。当米尔恩（Milne）真空以绝热的真空为代表时，我们能够计算出与散装广告中巨大标量的算子的两个点相关器，并具有缺陷。我们发现，对于扭曲和无扭曲的操作员，相关器可以表示为图像的总和。可以明确执行此和以紧凑的形式编写结果。
In this work, we initiate a holographic study of field theory on time dependent background with conical defect. We focus on the Milne space-time to which, in the absence of cosmological constant, at late time any hyperbolic Friedmann-Robertson-Walker metric flows to. When the Milne vacuum is represented by the adiabatic one, we are able to compute the two point correlators of operators which are dual to the massive scalars in the bulk AdS-Milne background with defect. We find, for both twisted and untwisted operators, the correlators can be represented as the sum over images. This sum can be carried out explicitly to write the results in compact forms.
