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Abstract
Abstract We study an inflection point inflation scenario where a flat direction of the minimal supersymmetric standard model (MSSM) is identified with the inflaton. We focus on the case where the flat direction (inflaton) has nonzero baryon number, and consider a nonthermal baryogenesis scenario where the decay of the inflaton at the reheating directly generates baryon asymmetry of the universe. Specifically, we consider a udd flat direction that is lifted by a superpotential operator of dimension 6, and show that inflection point inflation with the udd flat direction can be compatible with cosmological observations and can account for the baryon asymmetry of the universe.
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