Extremal Kerr/CFT correspondence of five-dimensional rotating (charged) black holes with squashed horizons

Extremal Kerr/CFT correspondence of five-dimensional rotating (charged) black holes with squashed horizons
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视界被挤压的五维旋转(带电)黑洞的极值 Kerr/CFT 对应

DOI:
10.1016/j.nuclphysb.2009.11.019
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发表时间:
2009-11
期刊:
影响因子:
2.8
通讯作者:
吴双清
吴双清
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
彭俊金;吴双清

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最近提出了一种新的全息对偶Kerr/CFT对应,通过将近视界区的量子态与边界上的二维共形场论量子态等同起来,导出了四维极值Kerr黑洞的统计熵.本文利用这种方法研究了在不同坐标系下具有压缩视界的五维极值Kerr和Cveti-Youm黑洞,发现压缩变换对近视界几何没有影响.研究表明,微观熵与Bekenstein-Hawking公式所给出的结果是一致的。此外,我们还研究了具有压缩视界的一般非极值Cveti-Youm黑洞的热力学性质。
A new holographic duality named Kerr/CFT correspondence was recently proposed to derive the statistical entropy of four-dimensional extremal Kerr black holes via identifying the quantum states in the near-horizon region with those of two-dimensional conformal field theory living on the boundary. In this paper, we apply this method to investigate five-dimensional extremal Kerr and Cvetič–Youm black holes with squashed horizons in different coordinates and find that the near-horizon geometries are not affected by the squashing transformation. Our investigation shows that the microscopic entropies are in agreement with those given by Bekenstein–Hawking formula. In addition, we have also investigated thermodynamics of the general non-extremal Cvetič–Youm black holes with squashed horizons.
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