A combinatoric shortcut to evaluate CHY-forms
Abstract In our recent work, we proposed a differential operator for the evaluation of the multi-dimensional residues on isolated (zero-dimensional) poles. In this paper we discuss some new insight on evaluating the (generalized) Cachazo-He-Yuan (CHY) forms of the scattering amplitudes using this di...
Main Authors: | Tianheng Wang, Gang Chen, Yeuk-Kwan E. Cheung, Feng Xu |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2017-06-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1007/JHEP06(2017)015 |
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