String-Based Methods in Perturbative Gravity

D.C. Dunbar; T. Shimada; Z. Bern

String-Based Methods in Perturbative Gravity

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arxiv hep-th/9307001 v1 pith:QREVGZF5 submitted 1993-07-01 hep-th hep-ph

Z. Bern , D.C. Dunbar , T. Shimada This is my paper · ORCID

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keywords theorycalculationsgravityperturbativestring-basedcalculationcomparedcomplexity

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String theory implies a relatively modest growth in computational complexity for perturbative gravity calculations as compared to gauge theory calculations, contrary to field theory expectations. An explicit string-based calculation, which would be extremely difficult using conventional techniques, is presented to illustrate this.

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Serendipitous Syzygies of Scattering Amplitudes
hep-th 2025-05 accept novelty 7.0 of 10

For rational gluon amplitudes (one-loop all-plus and tree-level MHV), all (n-1)!/2 color-ordered partial amplitudes are determined by just two independent functions via polynomial syzygies.

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