Axion Inflation and Affleck-Dine Baryogenesis

Abstract

String theory generically predicts the coupling between the Affleck-Dine field and axion field through higher-dimensional operators. We thus explore the Affleck-Dine baryogenesis on an axion background. It turns out that the axion oscillation produces an enough amount of baryon asymmetry of the Universe just after the inflation, even without a soft supersymmetry-breaking $A$-term. This baryogenesis scenario is applicable to the string axion inflation.

26 pages, 7 figures; v2 published version

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Cited by in corpus (10)

• Baryogenesis in $f(Q,\mathcal{T})$ Gravity
• New Perspectives on Axion Misalignment Mechanism
• Gravitational Baryogenesis in Non-Minimal Coupled $f(R,T)$ Gravity
• Generalized Gravitational Baryogenesis of Well-Known $f(T,T_G)$ and $f(T,B)$ Models
• Gravitational baryogenesis in extended teleparallel theories of gravity
• Baryogenesis in $f(R,L_m)$ gravity
• Poly-instanton axion inflation
• Baryogenesis in quantum fluctuation modified gravity
• Affleck-Dine baryogenesis in the SUSY Dine-Fischler-Srednicki-Zhitnitsky axion model without R-parity
• Gravitational baryogenesis of cosmological constant dominated universe