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arXiv 1702.01016hep-thgr-qc
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关于Kerr- AdS/CFT correspondence

On the Kerr-AdS/CFT correspondence

Julián Barragán Amado, Bruno Carneiro da Cunha, Elisabetta Pallante

摘要:

我们回顾了${\rm AdS_5}$中四维整体共形块与场传播的关系。根据边缘微扰在几何中的反作用这一标准论点,我们转而研究一般Kerr- ${\rm AdS_5}$几何中的标量场。一方面,利用等势线技术可以精确地得到散射系数的结果,给出了$c=1$手性共形块的精确表达式。另一方面,可以利用标量场方程与二维刘维场论中的二级零场沃德恒等式之间的类比,写出相同系数的半经典手征刘维共形块的近似表达式。令人惊讶的是,共形块,从而构建了一个良好的行为的解释刘维尔顶点运营商。

英文摘要:

We review the relation between four-dimensional global conformal blocks and field propagation in ${\rm AdS_5}$. Following the standard argument that marginal perturbations should backreact in the geometry, we turn to the study of scalar fields in the generic Kerr-${\rm AdS_5}$ geometry. On one hand, the result for scattering coefficients can be obtained exactly using the isomonodromy technique, giving exact expressions in terms of $c=1$ chiral conformal blocks. On the other hand, one can use the analogy between the scalar field equations to the Level 2 null field Ward identity in two dimensional Liouville field theory to write approximate expressions for the same coefficients in terms of semi-classical chiral Liouville conformal blocks. Surprisingly, the conformal block thus constructed has a well-behaved interpretation in terms of Liouville vertex operators.

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