Conformal properties of four-gluon planar amplitudes and Wilson loops

@inproceedings{Drummond2008ConformalPO,
  title={Conformal properties of four-gluon planar amplitudes and Wilson loops},
  author={James M. Drummond and Gregory P. Korchemsky and Emery Sokatchev},
  year={2008}
}
We present further evidence for a dual conformal symmetry in the four-gluon planar scattering amplitude in N = 4 SYM. We show that all the momentum integrals appearing in the perturbative on-shell calculations up to four loops are dual to true conformal integrals, well defined off shell. Assuming that the complete off-shell amplitude has this dual conformal symmetry and using the basic properties of factorization of infrared divergences, we derive the special form of the finite remainder… CONTINUE READING
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