Condensate cosmology in O'Raifeartaigh models

Details Condensate cosmology in O'Raifeartaigh models Condensate cosmology in O'Raifeartaigh models

2011-06-06

arxiv.org/abs/1106.1182v2

JHEP 1108:058,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, 5 figures. Comments and references added, accepted for publication in JHEP

Scientific paper

10.1007/JHEP08(2011)058

Flat directions charged under an R-symmetry are a generic feature of O'Raifeartaigh models. Non-topological solitons associated with this symmetry, R-balls, are likely to form through the fragmentation of a condensate, itself created by soft terms induced during inflation. In gravity mediated SUSY breaking R-balls decay to gravitinos, reheating the universe. For gauge mediation R-balls can provide a good dark matter candidate. Alternatively they can decay, either reheating or cooling the universe. Conserved R-symmetry permits decay to gravitinos or gauginos, whereas spontaneously broken R-symmetry results in decay to visible sector gauge bosons.

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