$$ \mathcal{N} $$ = 4 Super-Yang-Mills correlators at strong coupling from string theory and localization

$$ \mathcal{N} $$ = 4 Super-Yang-Mills correlators at strong coupling from string theory and localization
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$$ mathcal{N} $$ = 4 个 Super-Yang-Mills 相关器,与弦理论和本地化强耦合

DOI:
10.1007/jhep12(2019)119
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发表时间:
2019
影响因子:
5.4
通讯作者:
Wang, Yifan
Wang, Yifan
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Binder, Damon J.;Chester, Shai M.;Pufu, Silviu S.;Wang, Yifan

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利用两种方法计算了SU (N)= 4超yang - mills理论中大N和大Hooft耦合λ=时半bps算子四点函数的1/λ修正。首先,我们将这些相关器的积分与质量变形的s4自由能的导数联系起来,该导数在大N的首阶和1/λ的所有阶中使用超对称局域化计算。其次,我们使用AdS/CFT将这些1/λ修正与IIB弦理论中Kaluza-Klein标量在AdS 5× S 5上的散射振幅的高导数修正联系起来,这些振幅在平坦空间极限下是由worldsheet计算得到的。这两种方法对应于弦理论中树级r4相互作用的阶数,提供了超重力之外AdS/CFT的精确检验,并允许我们推导出树级d4 r4阶的全息相关器。结合[1]的约束,我们的结果可用于导出单环d4r4阶的CFT数据。最后,我们使用AdS/CFT将这些相关器固定在N很大而gYM保持固定的极限下。在这个极限中,我们提出了s4配分函数的小质量极限的一个猜想,它包括所有的瞬子修正,并且用在弦理论散射振幅研究中出现的爱森斯坦级数来表示。
We compute 1/λ corrections to the four-point functions of half-BPS operators in SU (N)= 4 super-Yang-Mills theory at large N and large’t Hooft coupling λ=using two methods. Firstly, we relate integrals of these correlators to derivatives of the mass deformed S 4 free energy, which was computed at leading order in large N and to all orders in 1/λ using supersymmetric localization. Secondly, we use AdS/CFT to relate these 1/λ corrections to higher derivative corrections to supergravity for scattering amplitudes of Kaluza-Klein scalars in IIB string theory on AdS 5× S 5, which in the flat space limit are known from worldsheet calculations. These two methods match at the order corresponding to the tree level R 4 interaction in string theory, which provides a precise check of AdS/CFT beyond supergravity, and allow us to derive the holographic correlators to tree level D 4 R 4 order. Combined with constraints from [1], our results can be used to derive CFT data to one-loop D 4 R 4 order. Finally, we use AdS/CFT to fix these correlators in the limit where N is taken to be large while gYM is kept fixed. In this limit, we present a conjecture for the small mass limit of the S 4 partition function that includes all instanton corrections and is written in terms of the same Eisenstein series that appear in the study of string theory scattering amplitudes.
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