From scattering amplitudes to the dilatation generator in N = 4 SYM
作者： Benjamin I Zwiebel
DOI: 10.1088/1751-8113/45/11/115401
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摘要: The complete spin chain representation of the planar N = 4 SYM dilatation generator has long been known at one loop, where it involves leading nearestneighbor 2 → 2 interactions. In this work, we use superconformal symmetry to derive unique solution for L interactions the planar dilatation generator arbitrarily large L. We then propose that these interactions are given by a scattering operator tree-level scattering amplitudes as matrix elements. provide compelling evidence for this proposal, including explicit checks 2, 3 and proof consistency with symmetry.
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arxiv-vanity.com参考文章(47)
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