期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2015)002
关键词
Supersymmetric gauge theory; Scattering Amplitudes
资金
- US Department of Energy [DE-SC0010010]
- U.S. Department of Energy (DOE) [DE-SC0010010] Funding Source: U.S. Department of Energy (DOE)
We apply a bootstrap procedure to two-loop MHV amplitudes in planar N = 4 super-Yang-Mills theory. We argue that the mathematically most complicated part (the Lambda B-2(2) coproduct component) of the n-particle amplitude is uniquely determined by a simple cluster algebra property together with a few physical constraints (dihedral symmetry, analytic structure, supersymmetry, and well-defined collinear limits). We present a concise, closed-form expression which manifests these properties for all n.
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