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Simplifying Multiloop Integrands and Ultraviolet Divergences of Gauge Theory and Gravity Amplitudes
We use the duality between color and kinematics to simplify the construction of the complete four-loop four-point amplitude of N=4 super-Yang-Mills theory, including the nonplanar contributions. The duality completely determines the amplitude's integrand in terms of just two planar graphs. The...
| Autores principales: | , , , , |
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| Lenguaje: | eng |
| Publicado: |
2012
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.85.105014 http://cds.cern.ch/record/1419451 |