Scale and quality of Peccei-Quinn symmetry and weak gravity conjectures

被引：19
|
作者：
Yin, Wen [1 ,2 ]
机构：
[1] Univ Tokyo, Fac Sci, Dept Phys, Bunkyo Ku, Tokyo 1130033, Japan
[2] Korea Adv Inst Sci & Technol, Dept Phys, Daejeon 34141, Japan
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 2020卷 / 10期
基金：
新加坡国家研究基金会;
关键词：
Beyond Standard Model; Cosmology of Theories beyond the SM; Global Symmetries; CP CONSERVATION; NEUTRINO MASS; AXION; CONSTRAINTS; INVARIANCE; ABUNDANCE; WORMHOLES; CHARGE;
D O I：
10.1007/JHEP10(2020)032
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The promising solution to the strong CP problem by a Peccei-Quinn (PQ) symmetry may introduce quality and hierarchy problems, which are both relevant to Planck physics. In this paper, we study whether both problems can be explained by introducing a simple hidden gauge group which satisfies the WGC or its variant. As a concrete example, we point out that a weakly-coupled hidden SU(N) gauge symmetry, which is broken down to SO(N), can do this job in the context of a Tower/sub-Lattice WGC. Cosmology is discussed.
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页数：16
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