N=8超引力在四圈阶的紫外行为
高能物理 - 理论
2015-03-13 v2
摘要
我们描述了N=8超引力完整四圈四粒子振幅的构造。该振幅不仅在四维中是紫外有限的，在五维中也是如此。观测到的额外抵消提供了额外的非平凡证据，表明四维N=8超引力在微扰论的所有阶次上可能都是紫外有限的。
引用
@article{arxiv.0905.2326,
title = {The Ultraviolet Behavior of N=8 Supergravity at Four Loops},
author = {Z. Bern and J. J. Carrasco and L. J. Dixon and H. Johansson and R. Roiban},
journal= {arXiv preprint arXiv:0905.2326},
year = {2015}
}
备注
5 pages, 4 figures. v2 contains minor corrections, including flipping sign of eq. (1). Complete results, including mathematica readable form, presented in the directory aux/ included in the source of this manuscript. As certain computer operating systems (e.g. Windows) preclude the naming of directories "aux" we also host this data at: http://www.physics.ucla.edu/~jjmc/auxiliaryData.tgz