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Title: Origin of the Six-Gluon Amplitude in Planar N = 4 Supersymmetric Yang-Mills Theory

Journal Article · · Physical Review Letters

We study the maximally-helicity-violating six-gluon scattering amplitude in planar N = 4 super-Yang-Mills theory at finite coupling when all three cross ratios are small. It exhibits a double logarithmic scaling in the cross ratios, controlled by a handful of “anomalous dimensions” that are functions of the coupling constant alone. Inspired by known seven-loop results at weak coupling and the integrability-based pentagon operator product expansion, we present conjectures for the all-order resummation of these anomalous dimensions. At strong coupling, our predictions agree perfectly with the string theory analysis. Intriguingly, the simplest of these anomalous dimensions coincides with one describing the lightlike limit of the octagon, namely, the four-point function of large-charge Bogomol’nyi–Prasad–Sommerfield (BPS) operators.

Research Organization:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); French National Agency for Research
Grant/Contract Number:
AC02-76SF00515; ANR-17-CE31-0001-02
OSTI ID:
1615708
Alternate ID(s):
OSTI ID: 1616294
Report Number(s):
SLAC-PUB-17501; PRLTAO; 161603
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Vol. 124 Journal Issue: 16; ISSN 0031-9007
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 26 works
Citation information provided by
Web of Science

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Cited By (1)

The Origin of the Six-Gluon Amplitude in Planar $\mathcal{N}=4$ SYM text January 2020