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arXiv 0908.0057hep-th
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扭曲黑洞和扭曲AdS/CFT correspondence的准正规模

Quasi-normal modes of warped black holes and warped AdS/CFT correspondence

Bin Chen, Zhi-bo Xu

摘要:

本文解析计算了类空拉伸和零扭曲$AdS_3$黑洞的各种微扰的准正规模。根据AdS/CFT对应,在有限温度下,这些准正规模将作为CFT中对偶算子的滞后格林函数的动量空间中的极点出现。在考虑到量子数的微妙识别之后,我们发现情况确实如此。微妙之处在于,只有经过适当的坐标变换,扭曲黑洞的渐近几何才与扭曲$AdS_3$时空的渐近几何相同。我们表明,在一般的准正常模式是在良好的协议与预测的翘曲AdS/CFT对应,一个常数因子。作为一个副产品,我们计算的共形尺寸的边界算子对偶的扰动。我们的结果有力地支持了扭曲的AdS/CFT对应。

英文摘要:

We analytically calculate the quasi-normal modes of various perturbations of spacelike stretched and null warped $AdS_3$ black holes. From AdS/CFT correspondence, these quasi-normal modes are expected to appear as the poles in momentum space of retarded Green functions of dual operators in CFT at finite temperature. We find that this is indeed the case, after taking into account of the subtle identification of quantum numbers. The subtlety comes from the fact that only after appropriate coordinate transformation the asymptotic geometries of warped black holes are the same as the ones of warped $AdS_3$ spacetimes. We show that in general the quasi-normal modes are in good agreement with the prediction of the warped AdS/CFT correspondence, up to a constant factor. As a byproduct, we compute the conformal dimensions of boundary operators dual to the perturbations. Our result gives strong support to the conjectured warped AdS/CFT correspondence.

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