All one-loop amplitudes in N=6 superconformal Chern-Simons theory

被引:0
作者
Brandhuber, Andreas [1 ]
Travaglini, Gabriele [1 ]
Wen, Congkao [1 ]
机构
[1] Queen Mary Univ London, Sch Phys & Astron, Ctr Res String Theory, London E1 4NS, England
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 10期
关键词
Supersymmetric gauge theory; Extended Supersymmetry; Scattering Amplitudes; Chern-Simons Theories;
D O I
10.1007/JHEP10(2012)145
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
We exploit a recently found connection between special triple-cut diagrams and tree-level recursive diagrams to derive a general formula capturing the multi-particle factorisation of arbitrary one-loop amplitudes in the ABJM theory. This formula contains certain anomalous contributions which are reminiscent of the so-called non-factorising contributions appearing in the factorisation of one-loop amplitudes in four-dimensional gauge theory. In the second part of the paper we derive a recursion relation for the supercoefficients of one-loop amplitudes in ABJM theory. By applying this recursion relation, any one-loop supercoefficient can be reduced to special triple-cut diagrams involving at least one four-point tree amplitude. In turn, this implies that any one-loop supercoefficient can be derived from tree-level recursive diagrams.
引用
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页数:22
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