111 citations · 576 across the 26 of their papers we have counts for
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hep-th2016★ 12 cited
A differential operator for integrating one-loop scattering equations
Gang Chen, Yeuk-Kwan E. Cheung, Tianheng Wang +1
We propose a differential operator for computing the residues associated with a class of meromorphic -forms that frequently appear in the Cachazo-He-Yuan form of the scattering…
hep-th2016★ 5 cited
Off-shell BCJ Relation in Nonlinear Sigma Model
Gang Chen, Shuyi Li, Hanqing Liu
We investigate relations among tree-level off-shell currents in nonlinear sigma model. Under Cayley parametrization, we propose and prove a general revised BCJ relation for even-po…