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7 papers · 1 filter
Note on graph-based BCJ relation for Berends-Giele currents
Yi-Jian Du, Konglong Wu
Graph-based Bern-Carasso-Johansson (BCJ) relation for Berends-Giele currents in bi-adjoint scalar (BS) theory, which is characterized by connected tree graphs, was proposed in an e…
Off-shell extended graphic rule and the expansion of Berends-Giele currents in Yang-Mills theory
Konglong Wu, Yi-Jian Du
Tree-level color-ordered Yang-Mills (YM) amplitudes can be decomposed in terms of bi-scalar (BS) amplitudes, whose expansion coefficients form a basis of Bern-Carrasco-Joh…
Evaluating EYM amplitudes in four dimensions by refined graphic expansion
Hongxiang Tian, Enze Gong, Chongsi Xie +1
The recursive expansion of tree level multitrace Einstein-Yang-Mills (EYM) amplitudes induces a refined graphic expansion, by which any tree-level EYM amplitude can be expressed as…
A graphic approach to identities induced from multi-trace Einstein-Yang-Mills amplitudes
Yi-Jian Du, Linghui Hou
Symmetries of Einstein-Yang-Mills (EYM) amplitudes, together with the recursive expansions, induce nontrivial identities for pure Yang-Mills amplitudes. In the previous work \cite{…
A graphic approach to gauge invariance induced identity
Linghui Hou, Yi-Jian Du
All tree-level amplitudes in Einstein-Yang-Mills (EYM) theory and gravity (GR) can be expanded in terms of color ordered Yang-Mills (YM) ones whose coefficients are polynomial func…
Gauge invariance induced relations and the equivalence between distinct approaches to NLSM amplitudes
Yi-Jian Du, Yong Zhang
In this paper, we derive generalized Bern-Carrasco-Johansson relations for color-ordered Yang-Mills amplitudes by imposing gauge invariance conditions and dimensional reduction app…