Moduli problem and Q-ball baryogenesis in gauge-mediated SUSY breaking models
Masahiro Kawasaki
Abstract
We investigate whether the Affleck-Dine mechanism can produce sufficient baryon number of the universe in the gauge-mediated SUSY breaking models, while evading the cosmological moduli problem by late-time entropy production. We find that the Q-ball formation makes the scenario difficult, irrespective of the detail mechanism of the entropy production.
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