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

A bstract 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...

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Vydáno v:The journal of high energy physics Ročník 2020; číslo 10; s. 1 - 16
Hlavní autor: Yin, Wen
Médium: Journal Article
Jazyk:angličtina
Vydáno: Berlin/Heidelberg Springer Berlin Heidelberg 01.10.2020
SpringerOpen
Témata:
Beyond Standard Model
Classical and Quantum Gravitation
Cosmology of Theories beyond the SM
Elementary Particles
Global Symmetries
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
String Theory
Global Symmetries
Beyond Standard Model
Cosmology of Theories beyond the SM
ISSN:1029-8479, 1029-8479
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Shrnutí:A bstract 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.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP10(2020)032