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Dual superconformal symmetry of scattering amplitudes in N=4 super-Yang-Mills theory

9 Pith papers cite this work, alongside 644 external citations. Polarity classification is still indexing.

9 Pith papers citing it
644 external citations · Pith
abstract

We argue that the scattering amplitudes in the maximally supersymmetric N=4 super-Yang-Mills theory possess a new symmetry which extends the previously discovered dual conformal symmetry. To reveal this property we formulate the scattering amplitudes as functions in the appropriate dual superspace. Rewritten in this form, all tree-level MHV and next-to-MHV amplitudes exhibit manifest dual superconformal symmetry. We propose a new, compact and Lorentz covariant formula for the tree-level NMHV amplitudes for arbitrary numbers and types of external particles. The dual conformal symmetry is broken at loop level by infrared divergences. However, we provide evidence that the anomalous contribution to the MHV and NMHV superamplitudes is the same and, therefore, their ratio is a dual conformal invariant function. We identify this function by an explicit calculation of the six-particle amplitudes at one loop. We conjecture that these properties hold for all, MHV and non-MHV, superamplitudes in N=4 SYM both at weak and at strong coupling.

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representative citing papers

Non-relativistic limits of $\mathcal N=4$ supersymmetric Yang-Mills theory and S-duality

hep-th · 2026-06-19 · unverdicted · novelty 7.0

Constructs a family of non-relativistic limits of 4d MSYM via brane setups that organize into a 3D moduli space with nontrivial topology where PSL(2,Z) dualities act more complexly than in the relativistic theory, establishing Abelian duality by path integral and supporting non-Abelian case via spec

Bootstrapping the Four-Point NMHV Stress-Tensor Form Factor

hep-th · 2026-05-27 · unverdicted · novelty 7.0

Determines the unique two- and three-loop symbols for the four-point NMHV form factor from an 88-letter alphabet, providing first multi-loop non-MHV data and supporting alphabet universality.

Loops and legs: ABJM amplitudes from $f$-graphs

hep-th · 2026-01-29 · unverdicted · novelty 7.0

ABJM amplitudes of arbitrary multiplicity and loop order can be reconstructed from squared amplitudes encoded in a permutation-symmetric generating function of planar f-graphs.

Soft Algebra for ${\cal N}=4$ SYM

hep-th · 2026-06-07 · unverdicted · novelty 6.0

In planar N=4 SYM the IR-finite hard amplitude satisfies an uncorrected tree-level soft theorem and represents the undeformed tree-level S-algebra of soft gluons.

The classical Yangian symmetry of Auxiliary Field Sigma Models

hep-th · 2026-05-18 · unverdicted · novelty 6.0

Generalizes the BIZZ recursive procedure and provides sufficient conditions under which auxiliary field deformations of integrable sigma models retain classical Yangian symmetry and Maillet bracket structure.

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