Composite operators and form factors in N=4 SYM

被引：15
作者：
Chicherin, Dmitry [1 ]
Sokatchev, Emery [1 ,2 ]
机构：
[1] Univ Savoie, CNRS, LAPTH3, BP 110, F-74941 Annecy Le Vieux, France
[2] CERN, Theoret Phys Dept, CH-1211 Geneva 23, Switzerland
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2017年 / 50卷 / 27期
关键词：
form factors; harmonic superspace; composite operators; supertwistors; nonchiral supersymmetry; scattering amplitudes; supercurvature; YANG-MILLS; GAUGE-THEORY; DUALITY;
D O I：
10.1088/1751-8121/aa72fe
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We construct the most general composite operators of N = 4 SYM in Lorentz harmonic chiral (approximate to twistor) superspace. The operators are built from the SYM supercurvature which is nonpolynomial in the chiral gauge prepotentials. We reconstruct the full nonchiral dependence of the supercurvature. We compute all tree-level MHV form factors via the LSZ reduction procedure with on-shell states made of the same supercurvature.
引用
收藏
页数：27
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