Reviving the Affleck-Dine Curvaton Scenario with Compensated Isocurvature Perturbations

arXiv:2607.21008 · astro-ph.CO, hep-ph · Submitted 2026-07-23 · Read on arXiv

Masahiro Kawasaki, Shunsuke Neda

astro-ph.CO, hep-ph

Submitted: 2026-07-23

Comments: 17 pages, 4 figures

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Reheating — 12× in this paper · explained in 2 episodes
• Fine-Tuning — 4× in this paper · explained in 5 episodes
• Non-Gaussianity — 3× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 1× in this paper · explained in 2 episodes
• World Premier International Research Center Initiative — 1× in this paper

Sources

• Baryogenesis from Flat Directions of the Supersymmetric Standard Model
• Effects of Cosmological Moduli Fields on Cosmic Microwave Background
• Adiabatic CMB perturbations in pre-big bang string cosmology
• Generating the curvature perturbation without an inflaton
• Curvatons in Supersymmetric Models
• Planck 2018 results. X. Constraints on inflation
• Unified Origin of Curvature Perturbation and Baryon Asymmetry of the Universe
• On Possible Variation in the Cosmological Baryon Fraction
• Forecasted 21 cm constraints on compensated isocurvature perturbations
• Compensated Isocurvature Perturbations and the Cosmic Microwave Background
• Baryons do trace dark matter 380,000 years after the big bang: Search for compensated isocurvature perturbations with WMAP 9-year data
• CDM/baryon isocurvature perturbations in a sneutrino curvaton model
• New physics in a nutshell, or Q-ball as a power plant
• Q-Balls and Baryogenesis in the MSSM
• Q-ball Formation through Affleck-Dine Mechanism
• Delta-N Formalism for Curvaton with Modulated Decay
• Numerical study of Q-ball formation in gravity mediation
• Charge distribution of the gauge-mediation type Q ball
• Revisiting Big-Bang Nucleosynthesis Constraints on Long-Lived Decaying Particles
• Planck 2018 results. IX. Constraints on primordial non-Gaussianity

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