Claude computes nine-loop scattering amplitudes, breaking physicists' eight-loop record
burny_tech · x · 2026-09-27
Anthropic's science blog reports that Claude completed a nine-loop scattering amplitude calculation in planar N=4 super-Yang-Mills—the most supersymmetric theory possible in 4D, often called a 'perfect sphere' of QFTs—breaking the previous eight-loop record set by SLAC's Lance Dixon and collaborators.
- Scattering amplitudes are the formulas theorists use to predict particle behavior; each added loop multiplies computational difficulty, and most work stops at two or three loops
- The push came from a challenge issued last month by physicist and science writer @4gravitons: could an AI push past eight loops?
- Some are calling it the most relevant physics result achieved with AI yet
Related event: Claude Breaks Nine-Loop Physics Record, Scooping Human Team(27 posts)→
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