3 years ago

Dynamical Peccei-Quinn symmetry breaking and the instanton interference effect: axion models without domain wall problem.

Mario Reig

We show that a new chiral, confining interaction can be used to break Peccei-Quinn symmetry dynamically and solve the domain wall problem, simultaneously. The resulting theory is an invisible QCD axion model without domain walls. No dangerous heavy relics appear.

Publisher URL: http://arxiv.org/abs/1901.00203

DOI: arXiv:1901.00203v2

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