Abstract
We conjecture a new set of analytic relations for scattering amplitudes in planar super Yang-Mills theory. They generalize the Steinmann relations and are expressed in terms of the cluster algebras associated to . In terms of the symbol, they dictate which letters can appear consecutively. We study heptagon amplitudes and integrals in detail and present symbols for previously unknown integrals at two and three loops which support our conjecture.
- Received 22 December 2017
DOI:https://doi.org/10.1103/PhysRevLett.120.161601
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Published by the American Physical Society