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Spontaneous Breaking of Lepton Number and Cosmological Domain Wall Problem
Preprint
George Lazarides , Mario Reig , Qaisar Shafi , Rahul Srivastava , José W. F. Valle
28 June 2018
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Abstract
We show that if global lepton number symmetry is spontaneously broken in a post inflation epoch, then it can lead to the formation of cosmological domain walls. This happens in the well-known "majoron paradigm" for neutrino mass generation. We propose some realistic examples which allow spontaneous lepton number breaking to be safe from such domain walls.
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Author and article information
Journal
28
June
2018
Article
1806.11198
http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Custom metadata
IFIC-18-XXX
7 pages
hep-ph astro-ph.CO