Ultraviolet properties of maximal supergravity

被引：86
作者：
Green, Michael B.
Russo, Jorge G.
Vanhove, Pierre
机构：
[1] Dept Appl Math & Theoret Phys, Cambridge CB3 0WA, England
[2] Univ Barcelona, ICREA, E-08028 Barcelona, Spain
[3] CEA Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 13期
关键词：
D O I：
10.1103/PhysRevLett.98.131602
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We argue that recent results in string perturbation theory indicate that the four-graviton amplitude of four-dimensional N=8 supergravity might be ultraviolet finite up to eight loops. We similarly argue that the h-loop M-graviton amplitude might be finite for h < 7+M/2.
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页数：4
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