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hep-ph2026
Gravitational Waves and Nambu-Goldstone Bosons from Infrared-Finite Cosmic Strings
Hajime Fukuda, Shuailiang Ge, Keisuke Harigaya
Skyrmion lines and semi-local strings are examples of infrared-finite cosmic strings that arise in theories with spontaneously broken global symmetries. Unlike global string…
hep-ph2026
Accidental Peccei-Quinn Symmetry from Chiral Gauge Symmetry and Mirror QCD
Hajime Fukuda, Keisuke Harigaya
We present a solution to the strong CP problem in which a simple chiral U(1) gauge symmetry gives rise to an accidental Peccei-Quinn symmetry that is both explicitly and spontaneou…