Asymptotic freedom of Yang-Mills theory with gravity

被引：103
作者：
Folkerts, Sarah [1 ]
Litim, Daniel F. [2 ]
Pawlowski, Jan M. [1 ,3 ]
机构：
[1] Heidelberg Univ, Inst Theoret Phys, D-69120 Heidelberg, Germany
[2] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England
[3] GSI Darmstadt, EMMI, ExtreMe Matter Inst, D-64291 Darmstadt, Germany
来源：
PHYSICS LETTERS B | 2012年 / 709卷 / 03期
关键词：
ONE-LOOP DIVERGENCES; GRAVITATIONAL CONTRIBUTIONS; ULTRAVIOLET PROPERTIES; EVOLUTION EQUATION; SAFETY SCENARIO; WILSONIAN FLOWS; QUANTUM-GRAVITY; FIXED-POINTS;
D O I：
10.1016/j.physletb.2012.02.002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We study the behaviour of Yang-Mills theory under the inclusion of gravity. In the weak-gravity limit, the running gauge coupling receives no contribution from the gravitational sector, if all symmetries are preserved. This holds true with and without cosmological constant. We also show that asymptotic freedom persists in general field-theory-based gravity scenarios including gravitational shielding as well as asymptotically safe gravity. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：234 / 241
页数：8
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