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arXiv · 1008.3110

Inverse Soft Factors and Grassmannian Residues

Mathew Bullimore
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Abstract

The action of inverse soft factors on scattering amplitudes in N=4 SYM is shown to take a remarkably simple form in momentum twistor space. This is used to identify individual residues of the grassmannian with primitive leading singularities at NMHV and N^2MHV and to derive explicit expressions in terms of momentum twistors.

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Mathew Bullimore. 2010-10-18. Inverse Soft Factors and Grassmannian Residues. https://doi.org/10.1007/jhep01(2011)055

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