Heptagon amplitude in the multi-Regge regime

被引：16

作者：

Bartels, J. ^{[1
]}

Schomerus, V. ^{[2
]}

Sprenger, M. ^{[2
]}

机构：

[1] Univ Hamburg, Inst Theoret Phys 2, D-22671 Hamburg, Germany

[2] DESY Hamburg, Theory Grp, D-22607 Hamburg, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2014年 / 10期

关键词：

Scattering Amplitudes; AdS-CFT Correspondence; Bethe Ansatz;

D O I：

10.1007/JHEP10(2014)067

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

As we have shown in previous work, the high energy limit of scattering amplitudes in N = 4 supersymmetric Yang-Mills theory at strong coupling corresponds to the infrared limit of the 1-dimensional quantum integrable system that solves minimal area problems in AdS(5). This insight can be developed into a systematic algorithm to compute the strong coupling limit of amplitudes in the multi-Regge regime through the solution of auxiliary Bethe Ansatz equations. We apply this procedure to compute the scattering amplitude for n = 7 external gluons in different multi-Regge regions at infinite 't Hooft coupling. Our formulas are remarkably consistent with the expected form of 7-gluon Regge cut contributions in perturbative gauge theory. A full description of the general algorithm and a derivation of results will be given in a forthcoming paper.

引用

页数：15

共 49 条

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