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Boundary Operators of BCFW Recursion Relation

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arxiv 1507.00463 v3 pith:MABFRL3L submitted 2015-07-02 hep-th

Qingjun Jin , Bo Feng This is my paper · ORCID
classification hep-th
keywords boundaryoperatorsbcfwalgorithmcallcompositecomputecontributions
verification ladder T0 review T1 audit T2 compute T3 formal

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We show that boundary contributions of BCFW recursions can be interpreted as the form factors of some composite operators which we call 'boundary operators'. The boundary operators can be extracted from the operator product expansion of deformed fields. We also present an algorithm to compute the boundary operators using path integral.

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  1. Smooth Splitting and Zeros from On-Shell Recursion

    hep-th 2025-05 conditional novelty 8.0 of 10

    Hidden zeros and smooth splitting in Tr phi^3, NLSM, YMS, and the special Galileon are shown to follow from on-shell recursion under improved UV falloff, yielding generalized, triple, and 4d helicity zeros.

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