Cosmology of B-L cosmic strings

Details Cosmology of B-L cosmic strings Cosmology of B-L cosmic strings

2006-04-28

arxiv.org/abs/hep-ph/0604272v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 1 figure. Proceedings of the Rencontres de Moriond Energy Densities in the Universe, Les Arcs, France (January 22-29,

Scientific paper

${\rm B - L}$ cosmic strings form in a wide class of theories beyond the Standard Model which contain a ${\rm U}(1)_{{\rm B - L}}$ gauge symmetry. They can form at the end of hybrid inflation and explain, together with inflation, the Cosmic Microwave Background anisotropies and the formation of large scale structure. They can produce Cold Dark Matter in the form of the Lightest SuperParticle and they can be at the origin of the baryon asymmetry of our universe. One major advantage of these mechanisms is that they are non-thermal.

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