Axionic domain wall number related to U(1)$_{\rm anom}$ global symmetry
High Energy Physics - Phenomenology
2016-05-27 v1 Cosmology and Nongalactic Astrophysics
High Energy Physics - Theory
Abstract
The QCD axion with at an intermediate scale, 10**9-10**12 GeV, seems in conflict with the gravity spoil of global symmetries and may face the axionic domain wall problem. We point out that the string compactifications with an anomalous U(1) gauge symmetry, allowing desirable chiral matter spectra, circumvent these two problems simultaneously.
Keywords
Cite
@article{arxiv.1604.00716,
title = {Axionic domain wall number related to U(1)$_{\rm anom}$ global symmetry},
author = {Jihn E. Kim},
journal= {arXiv preprint arXiv:1604.00716},
year = {2016}
}
Comments
8 pages, 2 figures