Towards holographic higher-spin interactions: four-point functions and higher-spin exchange

被引：0
作者：
X. Bekaert
J. Erdmenger
D. Ponomarev
C. Sleight
机构：
[1] Unité Mixte de Recherche 7350 du CNRS,Laboratoire de Mathématiques et Physique Théorique
[2] Fédération de Recherche 2964 Denis Poisson Country,Arnold Sommerfeld Center for Theoretical Physics
[3] Université François Rabelais,undefined
[4] Parc de Grandmont,undefined
[5] Max-Planck-Institut für Physik (Werner-Heisenberg-Institut),undefined
[6] Ludwig-Maximilians University Munich,undefined
来源：
Journal of High Energy Physics | / 2015卷
关键词：
AdS-CFT Correspondence; Higher Spin Gravity; Higher Spin Symmetry;
D O I：
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摘要：
Within holography, we calculate the contribution of an arbitrary spin-s gauge boson exchange in AdSd+1 to the four-point function with scalar operators on the boundary. As an important ingredient, we first compute the complete bulk-to-bulk propagators for massless bosonic higher-spin fields in the metric-like formulation, in any dimension and in various gauges. The split representation of the bulk-to-bulk propagators in terms of bulk-to-boundary propagators allows to present the higher-spin exchange diagram in the form of a conformal partial wave expansion. Our results provide a step towards the larger goal of the holographic reconstruction of bulk interactions, and of clarifying bulk locality.
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