Four point function of R-currents in N=4 SYM in the Regge limit at weak coupling

Abstract

We compute, in N=4 super Yang-Mills theory, the four point correlation function of R-currents in the Regge limit in the leading logarithmic approximation at weak coupling. Such a correlator is the closest analog to photon-photon scattering within QCD, and there is a well-defined procedure to perform the analogous computation at strong coupling via the AdS/CFT correspondence. The main result of this paper is, on the gauge theory side, the proof of Regge factorization and the explicit computation of the R-current impact factors.

21 pages, 10 figures, typos corrected

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• The high energy behavior of QCD: The effective action and the triple-Pomeron-vertex
• Soft photon anomaly and gauge/string duality
• Regge limit of R-current correlators in AdS Supergravity
• 13th International Conference on Elastic and Diffractive Scattering (Blois Workshop) - Moving Forward into the LHC Era
• R-Current DIS on a Shock Wave: Beyond the Eikonal Approximation
• R-current six-point correlators in AdS_5 Supergravity
• The topology of the triple Pomeron vertex in N=4 SYM
• The triple Pomeron vertex in large-N QCD and the pair-of-pants topology