Loops in super Yang-Mills theories

被引:0
作者
Chen, Gengsheng [1 ]
Luo, Mingxing [1 ]
Wen, Congkao [1 ]
机构
[1] Zhejiang Univ, Zhejiang Inst Modern Phys, Dept Phys, Hangzhou 310027, Peoples R China
关键词
MHV; one-loop; supersymmetry; Yang-Mills theory;
D O I
10.1142/S0217732307023274
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We report recent analysis of one-loop scattering amplitudes in N=4 super Yang-Mills theories, in the paradigm of maximally helicity violating Feynman diagrams. Non-planar amplitudes are found to be related to planar ones in the same manners as those in conventional field theory. More so, there are are very limited number of loop integrals to be evaluated. For a process with n external particles, there are only [n/2]-1 generically independent integrals.
引用
收藏
页码:675 / 681
页数:7
相关论文
共 30 条
[1]  
BENA I, HEPTH0406133
[2]  
BENA Z, HEPTH0410118
[3]   RECURSIVE CALCULATIONS FOR PROCESSES WITH N GLUONS [J].
BERENDS, FA ;
GIELE, WT .
NUCLEAR PHYSICS B, 1988, 306 (04) :759-808
[4]   FUSING GAUGE-THEORY TREE AMPLITUDES INTO LOOP AMPLITUDES [J].
BERN, Z ;
DIXON, L ;
DUNBAR, DC ;
KOSOWER, DA .
NUCLEAR PHYSICS B, 1995, 435 (1-2) :59-101
[5]   ONE-LOOP N-POINT GAUGE-THEORY AMPLITUDES, UNITARITY AND COLLINEAR LIMITS [J].
BERN, Z ;
DIXON, L ;
DUNBAR, DC ;
KOSOWER, DA .
NUCLEAR PHYSICS B, 1994, 425 (1-2) :217-260
[6]   Progress in one-loop QCD computations [J].
Bern, Z ;
Dixon, L ;
Kosower, DA .
ANNUAL REVIEW OF NUCLEAR AND PARTICLE SCIENCE, 1996, 46 :109-148
[7]  
BRANDHUBER A, HEPTH0407214
[8]  
CACHAZO F, HEPTH0406177
[9]  
CACHAZO F, HEPTH0410077, P9
[10]  
CACHAZO F, HEPTH0409245