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A note on the two point function on the boundary of AdS spacetime

机译:关于ads时空边界上两点函数的注记

摘要

We calculate by a new way the two point function on the boundary of AdSspacetime in 1+2 dimensions for the massless conformal real scalar field. Theresult agrees with the answer provided by the Boundary-limit Holography andWitten recipe. This is done in Poincar\'{e} coordinates. The basic ingredientsof this new method are conformal techniques, quantum fields defined on a halfof Minkowski spacetime and a limit inspired by the Boundary-limit Holography.We also show that a state in AdS, the global vacuum, in three dimensionsinduces a state on the conformal boundary of AdS spacetime, which in turninduces a state on the BTZ black hole. On the other hand the same state in AdSinduces a state on the BTZ black hole which in turn induces a state on itsconformal boundary. The two ways of getting the state on the conformal boundaryof the BTZ black hole coincide for the massless conformal real scalar field. Wepoint out that the normalizable modes in the AdS/CFT correspondence for the BTZblack hole give a similar contribution as the non-normalizable modes used inthe Witten prescription. We also give some clues on why the Witten and theBoundary-limit Holography prescription coincide.
机译:我们以一种新的方式计算了无质量共形实标量场在AdSspacetime边界上的1 + 2维上的两点函数。结果与边界极限全息照相法和维滕配方提供的答案一致。这是在Poincar \'{e}坐标中完成的。这种新方法的基本要素是共形技术,在Minkowski时空的一半上定义的量子场以及受边界极限全息术启发的极限。我们还表明,在三维空间中,AdS中的状态,全局真空会在共形上诱导状态。 AdS时空的边界,从而在BTZ黑洞上引发状态。另一方面,AdS中的相同状态会在BTZ黑洞上引发状态,进而在其共形边界上引发状态。对于无质量的共形实标量场,在BTZ黑洞的共形边界上获得状态的两种方式是一致的。我们指出,BTZ黑洞的AdS / CFT对应关系中的归一化模式与维滕处方中使用的非归一化模式具有相似的作用。我们还提供一些线索,说明维滕和边界极限全息术处方为何重合。

著录项

  • 作者

    Ortíz, L.;

  • 作者单位
  • 年度 2013
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  • 原文格式 PDF
  • 正文语种 {"code":"en","name":"English","id":9}
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