• Physics
  • Published 2011

Descent equations for superamplitudes

@inproceedings{Bullimore2011DescentEF,
  title={Descent equations for superamplitudes},
  author={Mathew Richard Bullimore and David Skinner},
  year={2011}
}
At loop level in planarN = 4 SYM, the dual superconformal symmetry of tree amplitudes is lost. This is true even if one uses a supersymmetry preserving regulator, and even for nite quantities that remain dual conformally invariant. We examine this breaking from the dual point of view of the super Wilson Loop, tracing it to the dierence between supersymmetries of the self-dual and of the full theories. We show that the anomaly is controlled by a descent equation that determines the derivative of… CONTINUE READING

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