A "gauged" U (1) Peccei-Quinn symmetry

被引：51
作者：
Fukuda, Hajime [1 ]
Ibe, Masahiro [1 ,2 ]
Suzuki, Motoo [1 ,2 ]
Yanagida, Tsutomu T. [1 ]
机构：
[1] Univ Tokyo, UTIAS, Kavli IPMU WPI, Kashiwa, Chiba 2778583, Japan
[2] Univ Tokyo, ICRR, Kashiwa, Chiba 2778582, Japan
来源：
PHYSICS LETTERS B | 2017年 / 771卷
基金：
日本学术振兴会;
关键词：
STRONG-CP PROBLEM; ISOTHERMAL DENSITY PERTURBATIONS; QUANTUM COHERENCE; INVISIBLE AXION; MODELS; QCD; CONSERVATION; INVARIANCE; COSMOLOGY;
D O I：
10.1016/j.physletb.2017.05.071
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The Peccei-Quinn (PQ) solution to the strong CP problem requires an anomalous global U(1) symmetry, the PQ symmetry. The origin of such a convenient global symmetry is quite puzzling from the theoretical point of view in many aspects. In this paper, we propose a simple prescription which provides an origin of the PQ symmetry. There, the global U(1) PQ symmetry is virtually embedded in a gauged U(1) PQ symmetry. Due to its simplicity, this mechanism can be implemented in many conventional models with the PQ symmetry. (C) 2017 Published by Elsevier B.V.
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页码：327 / 331
页数：5
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