scholarly journals Five-Loop Four-Point Amplitude ofN=4Super-Yang-Mills Theory

2012 ◽  
Vol 109 (24) ◽  
Author(s):  
Z. Bern ◽  
J. J. M. Carrasco ◽  
H. Johansson ◽  
R. Roiban
Keyword(s):  
Yang Mills ◽  
Point Amplitude

scholarly journals Complete four-loop four-point amplitude inN=4super-Yang-Mills theory

2010 ◽  
Vol 82 (12) ◽  
Author(s):  
Z. Bern ◽  
J. J. M. Carrasco ◽  
L. J. Dixon ◽  
H. Johansson ◽  
R. Roiban
Keyword(s):  
Yang Mills ◽  
Point Amplitude

scholarly journals The three-loop MHV octagon from $$ \overline{Q} $$ equations

2021 ◽  
Vol 2021 (12) ◽  
Author(s):  
Zhenjie Li ◽  
Chi Zhang
Keyword(s):  
Yang Mills ◽  
Remainder Function ◽  
Point Amplitude

Abstract The $$ \overline{Q} $$ Q ¯ equations, rooted in the dual superconformal anomalies, are a powerful tool for computing amplitudes in planar $$ \mathcal{N} $$ N = 4 supersymmetric Yang-Mills theory. By using the $$ \overline{Q} $$ Q ¯ equations, we compute the symbol of the first MHV amplitude with algebraic letters — the three-loop 8-point amplitude (or the octagon remainder function) — in this theory. The symbol alphabet for this amplitude consists of 204 independent rational letters and shares the same 18 algebraic letters with the two-loop 8-point NMHV amplitude.

scholarly journals Two-Loop Five-Point Amplitude in N=4 Super-Yang-Mills Theory

2019 ◽  
Vol 122 (12) ◽  
Author(s):  
Samuel Abreu ◽  
Lance J. Dixon ◽  
Enrico Herrmann ◽  
Ben Page ◽  
Mao Zeng
Keyword(s):  
Yang Mills ◽  
Point Amplitude ◽  
Super Yang Mills Theory

COMMENTS ON GLUON SCATTERING AMPLITUDES IN $\mathcal{N} = 4$ SUPER YANG-MILLS THEORY AT STRONG COUPLING

2008 ◽  
Vol 23 (14n15) ◽  
pp. 2135-2142 ◽  
Author(s):  
KATSUSHI ITO
Keyword(s):  
Scattering Amplitudes ◽  
Strong Coupling ◽  
Yang Mills ◽  
Recent Developments ◽  
Point Amplitude ◽  
Super Yang Mills Theory

We review recent developments in calculation of the gluon scattering amplitudes in [Formula: see text] super Yang-Mills theory at strong coupling via AdS/CFT correspondence. We discuss certain class of 6 and 8 point amplitudes at strong coupling, which can be obtained by cutting and gluing the 4-point amplitude.

Geometry and Quantum Dynamics

2017 ◽  
Author(s):  
Laurent Baulieu ◽  
John Iliopoulos ◽  
Roland Sénéor
Keyword(s):  
General Relativity ◽  
Quantum Dynamics ◽  
Gauge Theories ◽  
Brst Symmetry ◽  
Abelian Gauge ◽  
Yang Mills ◽  
History Of ◽  
Brst Invariance

A geometrical derivation of Abelian and non- Abelian gauge theories. The Faddeev–Popov quantisation. BRST invariance and ghost fields. General discussion of BRST symmetry. Application to Yang–Mills theories and general relativity. A brief history of gauge theories.

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