Đã lưu trong:
| Những tác giả chính: | , |
|---|---|
| Định dạng: | Preprint |
| Được phát hành: |
2024
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| Những chủ đề: | |
| Truy cập trực tuyến: | https://arxiv.org/abs/2409.09463 |
| Các nhãn: |
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Mục lục:
- We consider the nonplanar universal anomalous dimension of twist-two operators at four loops in N=4 supersymmetric Yang-Mills theory and push its direct diagrammatic calculation through Lorentz spin j=20, one unit beyond the state of the art, so as to confirm the correctness of the general, all-j result conjectured previously by us [1] imposing certain constraints on its analytic form. Thanks to our new result, such constraints can be eliminated altogether. By the same token, this allows us to re-derive, in a completely independent way, the nonplanar four-loop cusp anomalous dimension by taking the large-j limit of the general result.