The Four-Loop Dressing Phase of N=4 SYM

Beisert, Niklas; McLoughlin, Tristan; Roiban, Radu

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The Four-Loop Dressing Phase of N=4 SYM

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Beisert, Niklas
Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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McLoughlin, Tristan
Duality & Integrable Structures, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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0705.0321v2.pdf
(Preprint), 235KB

prd76_046002pdf.pdf
(Publisher version), 307KB

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Citation

Beisert, N., McLoughlin, T., & Roiban, R. (2007). The Four-Loop Dressing Phase of N=4 SYM. Physical Review D, 76(4): 046002.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4920-A

Abstract

We compute the dilatation generator in the su(2) sector of planar N=4 super Yang-Mills theory at four-loops. We use the known world-sheet scattering matrix to constrain the structure of the generator. The remaining few coefficients can be computed directly from Feynman diagrams. This allows us to confirm previous conjectures for the leading contribution to the dressing phase which is proportional to zeta(3).