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A Symbol of Uniqueness: The Cluster Bootstrap for the 3-Loop MHV Heptagon

Seven-particle scattering amplitudes in planar super-Yang-Mills theory are believed to belong to a special class of generalised polylogarithm functions called heptagon functions. These are functions with physical branch cuts whose symbols may be written in terms of the 42 cluster A-coordinates on Gr...

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Detalles Bibliográficos
Autores principales: Drummond, James M., Papathanasiou, Georgios, Spradlin, Marcus
Lenguaje:eng
Publicado: 2014
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP03(2015)072
http://cds.cern.ch/record/1976326