Stabilizing dilaton and baryogenesis
Dolgov, Alexander D. · Kohri, K. · Seto, Osamu · Yokoyama, Jun'ichi
Original · EN
Entropy production by the dilaton decay is studied in the model where the dilaton acquires potential via gaugino condensation in the hidden gauge group. Its effect on the Affleck-Dine baryogenesis is investigated with and without non-renormalizable terms in the potential. It is shown that the baryon asymmetry produced by this mechanism with the higher-dimensional terms is diluted by the dilaton decay and can be regulated to the observed value.
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