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ABJM Amplitudes in U-gauge and a Soft Theorem

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arxiv 1508.07975 v2 pith:NIEXYHQS submitted 2015-08-31 hep-th

Seungbeom Chin , Sangmin Lee , Youngbin Yun This is my paper
classification hep-th
keywords amplitudesabjmintegralamplitudegrassmannianorthogonalsofttheorem
verification ladder T0 review T1 audit T2 compute T3 formal
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We report progress in computing and analyzing all tree amplitudes in ABJM theory. Inspired by the isomorphism between the orthogonal Grassmannian and the pure spinor geometries, we adopt a new gauge, called u-gauge, for evaluating the orthogonal Grassmannian integral for ABJM amplitudes. We carry out the integral explicitly for the 8-point amplitude and obtain the complete supersymmetric amplitude. The physical and spurious poles arise from the integral as expected from on-shell diagrams. We also derive a double scalar soft theorem of ABJM amplitudes and verify it for known amplitudes.

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  1. A Hidden Permutation Symmetry of Squared Amplitudes in ABJM Theory

    hep-th 2025-08 conditional novelty 7.0 of 10

    Squared ABJM amplitude integrands with fixed n+L are unified in a permutation-symmetric generating function, and a bipartite f-graph bootstrap yields new N=10 tree and loop results.

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