A note on one-loop cluster adjacency in N=4 SYM

被引：0
|
作者：
Mago, Jorge [1 ]
Schreiber, Anders [1 ]
Spradlin, Marcus [1 ,2 ]
Volovich, Anastasia [1 ]
机构：
[1] Brown Univ, Dept Phys, Providence, RI 02912 USA
[2] Brown Univ, Brown Theoret Phys Ctr, Providence, RI 02912 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2021年 / 01期
关键词：
Scattering Amplitudes; Supersymmetric Gauge Theory; Differential and Algebraic Geometry;
D O I：
10.1007/JHEP01(2021)084
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 study cluster adjacency conjectures for amplitudes in maximally supersymmetric Yang-Mills theory. We show that the n-point one-loop NMHV ratio function satisfies Steinmann cluster adjacency. We also show that the one-loop BDS-like normalized NMHV amplitude satisfies cluster adjacency between Yangian invariants and final symbol entries up to 9-points. We present conjectures for cluster adjacency properties of Plucker coordinates, quadratic cluster variables, and NMHV Yangian invariants that generalize the notion of weak separation.
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页数：13
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