$n$-point amplitudes with a single negative-helicity graviton
$n$-point amplitudes with a single negative-helicity graviton
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DOI:
10.1103/physrevd.92.065024
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发表时间:
2015-07
影响因子:
5
通讯作者:
S. Alston;D. Dunbar;Warren B. Perkins
中科院分区:
文献类型:
--
作者:
S. Alston;D. Dunbar;Warren B. Perkins
We construct an expression for the n-point one-loop graviton scattering amplitude with a single negative helicity external leg using an augmented recursion technique. We analyse the soft-limits of these amplitudes and demonstrate that they have soft behaviour beyond the conjectured universal behaviour.