Spontaneous breaking of lepton number and the cosmological domain wall problem
We show that if global lepton number symmetry is spontaneously broken in a postinflation 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 that allow spontaneous le...
Gespeichert in:
| Hauptverfasser: | , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
15 April 2019
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| In: |
Physical review letters
Year: 2019, Jahrgang: 122, Heft: 15, Pages: 1-5 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.122.151301 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1103/PhysRevLett.122.151301 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.122.151301 
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| Verfasserangaben: | George Lazarides, Mario Reig, Qaisar Shafi, Rahul Srivastava, and José W. F. Valle |
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| 520 | |a We show that if global lepton number symmetry is spontaneously broken in a postinflation 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 that allow spontaneous lepton number breaking to be safe from such domain walls. | ||
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