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arXiv · 1106.1182

Condensate cosmology in O'Raifeartaigh models

James Barnard
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Abstract

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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James Barnard. 2011-08-24. Condensate cosmology in O'Raifeartaigh models. https://doi.org/10.1007/jhep08(2011)058

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