Quantum scale invariance, cosmological constant and hierarchy problem

被引：199

作者：

Shaposhnikov, Mikhail ^{[1
]}

Zenhaeusern, Daniel ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Theorie Phenomenes Phys, CH-1015 Lausanne, Switzerland

来源：

PHYSICS LETTERS B | 2009年 / 671卷 / 01期

基金：

瑞士国家科学基金会;

关键词：

Scale invariance; Hierarchy problem; Cosmological constant problem; Unimodular gravity; Dark energy; Inflation; SYMMETRY; GRAVITY;

D O I：

10.1016/j.physletb.2008.11.041

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We construct a class of theories which are scale-invariant on quantum level in all orders of perturbation theory. In a subclass of these models scale invariance is spontaneously broken, leading to the existence of a massless dilaton. The applications of these results to the problem of stability of the electroweak scale against quantum corrections, to the cosmological constant problem and to dark energy are discussed. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：162 / 166

页数：5

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