Global-symmetry evolution in axion cosmologies

Details Global-symmetry evolution in axion cosmologies Global-symmetry evolution in axion cosmologies

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrvd..31.1232h&link_type=abstract

Physical Review D (Particles and Fields), Volume 31, Issue 6, 15 March 1985, pp.1232-1235

Mathematics

Logic

2

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

Cosmological constraints on invisible axion models require a mass scale far below the grand unification scale. Such a hierarchy can lead to an evolution of global symmetries accompanied by a complicated axion domain-wall problem. We show that if this problem is solved at the highest mass scale in the theory, then it does not reoccur at lower mass scales. Two realistic models are discussed.

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