New D-term chaotic inflation in supergravity and leptogenesis

Abstract

We present a new model of D-term dominated chaotic inflation in supergravity. The F-flat direction present in this model is lifted by the dominant D-term, which leads to chaotic inflation and subsequent reheating. No cosmic string is formed after inflation because the U(1) gauge symmetry is broken during inflation. The leptogenesis scenario via the inflaton decay in our D-term chaotic inflation scenario is also discussed.

14 pages, no figure, to appear in Phys. Rev. D

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• Non-Gaussianity, Spectral Index and Tensor Modes in Mixed Inflaton and Curvaton Models
• Higgs G-inflation
• Supergravity based inflation models: a review
• Extended Slow-Roll Conditions and Rapid-Roll Conditions
• Slow-roll Extended Quintessence
• Spectator field models in light of spectral index after Planck
• Naturalness and Chaotic Inflation in Supergravity from Massive Vector Multiplets
• Reheating in Chaotic D-Term Inflation
• Modulus D-term Inflation