Self-energy and vertex radiative corrections in LQG

被引：48

作者：

Perini, Claudio ^{[1
,2
]}

Rovelli, Carlo ^{[1
]}

Speziale, Simone ^{[3
]}

机构：

[1] Ctr Phys Theor Luminy, F-13288 Marseille, France

[2] Univ Roma Tre, Dipartimento Matemat, I-00146 Rome, Italy

[3] Perimeter Inst, Waterloo, ON N2L 2Y5, Canada

来源：

PHYSICS LETTERS B | 2009年 / 682卷 / 01期

关键词：

FIELD-THEORY; QUANTUM; MODEL;

D O I：

10.1016/j.physletb.2009.10.076

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the elementary radiative-correction terms in loop quantum gravity. These are a two-vertex "elementary bubble" and a five-vertex "ball"; they correspond to the one-loop self-energy and the one-loop vertex correction of ordinary quantum field theory. We compute their naive degree of (infrared) divergence. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：78 / 84

页数：7

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