Singularity structure of maximally supersymmetric scattering amplitudes

We present evidence that loop amplitudes in maximally supersymmetric (N=4) Yang-Mills theory (SYM) beyond the planar limit share some of the remarkable structures of the planar theory. In particular, we show that through two loops, the four-particle amplitude in full N=4 SYM has only logarithmic singularities and is free of any poles at infinity - properties closely related to uniform transcendentality and the UV finiteness of the theory. We also briefly comment on implications for maximal (N=8) supergravity theory (SUGRA).

© American Physical Society (APS) [Singularity Structure of Maximally Supersymmetric Scattering Amplitudes. Physical Review Letters 113, 26 (2014)]

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Work Title Singularity structure of maximally supersymmetric scattering amplitudes
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Open Access
Creators
  1. Nima Arkani-Hamed
  2. Jacob L. Bourjaily
  3. Freddy Cachazo
  4. Jaroslav Trnka
License In Copyright (Rights Reserved)
Work Type Article
Publisher
  1. Physical Review Letters
Publication Date December 29, 2014
Publisher Identifier (DOI)
  1. https://doi.org/10.1103/PhysRevLett.113.261603
Deposited November 19, 2024

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  • Added Creator Jacob L. Bourjaily
  • Added Creator Freddy Cachazo
  • Added Creator Jaroslav Trnka
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