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Affleck-Dine baryogenesis with modulated reheating
Cosmology and Nongalactic Astrophysics · Submitted 9 Aug 2010
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We show that the Affleck-Dine baryogenesis can be consistent with the modulated reheating scenario with respect to the current observational constraint on the baryonic-isocurvature fluctuations.
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The abstract, sentence by sentence
Modulated reheating scenario is one of the most attractive models that predict possible detections of not only the primordial non-Gaussianity but also the tensor fluctuation through future CMB observations such as the Planck satellite, the PolarBeaR and the LiteBIRD satellite experiments. We study the baryonic-isocurvature fluctuations in the Affleck-Dine baryogenesis with the modulated reheating scenario. We show that the Affleck-Dine baryogenesis can be consistent with the modulated reheating scenario with respect to the current observational constraint on the baryonic-isocurvature fluctuations.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Modulated reheating scenario is one of the most attractive models that predict possible detections of not only the primordial non-Gaussianity but also the tensor fluctuation through future CMB observations such as the Planck satellite, the PolarBeaR and the LiteBIRD satellite experiments. | background 1.00 | 0.05 | 0.03 | hedged possibility 0.61 |
| s1 | We study the baryonic-isocurvature fluctuations in the Affleck-Dine baryogenesis with the modulated reheating scenario. | contribution 1.00 | 0.87 | 0.04 | asserted 0.62 |
| s2 | We show that the Affleck-Dine baryogenesis can be consistent with the modulated reheating scenario with respect to the current observational constraint on the baryonic-isocurvature fluctuations. | result 1.00 | 0.92 | 0.86 | asserted 0.58 |
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The paper
Original abstract
Modulated reheating scenario is one of the most attractive models that predict possible detections of not only the primordial non-Gaussianity but also the tensor fluctuation through future CMB observations such as the Planck satellite, the PolarBeaR and the LiteBIRD satellite experiments. We study the baryonic-isocurvature fluctuations in the Affleck-Dine baryogenesis with the modulated reheating scenario. We show that the Affleck-Dine baryogenesis can be consistent with the modulated reheating scenario with respect to the current observational constraint on the baryonic-isocurvature fluctuations.
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References
How the literature uses it
8 arXiv papers cite this in 8 sentences
Papers citing it · 5 sentences without a confident label
Cites it as background 3 papers
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Recently the curvaton model has been widely studied in the literatures [ref] .
Negative spectral index of $f_{NL}$ in the axion-type curvaton model · Introduction · 0.99
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The interplay between inflation and Affleck-Dine baryogenesis has been covered in the literature, for example [ref] .
Inflaton as the Affleck-Dine Baryogenesis Field in Hilltop Supernatural Inflation · Introduction · 0.98
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Their cosmological consequences may include dark-matter production [ref] , primordial magnetogenesis [ref] , baryogenesis [ref] , modifications to the equation of state after inflation and to cosmic microwave background (CMB) observables [ref] , and potentially observable gravitational-wave backgrounds [ref] .
CosmoLattice 2.0 · Discussion · 0.82
What it cites · 15 sentences without a confident label
Uses the method or tool of 6 papers
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In terms of the reheating temperature $T_R ∝Γ^1/2$, the above expression can be rewritten as [equation] Based on $δN$ formalism [ref] , the curvature perturbation on the uniform energy density hypersurface, $ζ$, on super-horizon scales is given by the perturbation of the $e$-folding number as $ζ≈δN$ and hence we find that in the modulated reheating scenario the curvature perturbation can be generated due to the fluctuation of the decay rate of the inflaton.
A new approach to the evolution of cosmological perturbations on large scales · Modulated reheating scenario · 0.85
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In terms of the reheating temperature $T_R ∝Γ^1/2$, the above expression can be rewritten as [equation] Based on $δN$ formalism [ref] , the curvature perturbation on the uniform energy density hypersurface, $ζ$, on super-horizon scales is given by the perturbation of the $e$-folding number as $ζ≈δN$ and hence we find that in the modulated reheating scenario the curvature perturbation can be generated due to the fluctuation of the decay rate of the inflaton.
The Separate Universe Approach and the Evolution of Nonlinear Superhorizon Cosmological Perturbations · Modulated reheating scenario · 0.85
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In terms of the reheating temperature $T_R ∝Γ^1/2$, the above expression can be rewritten as [equation] Based on $δN$ formalism [ref] , the curvature perturbation on the uniform energy density hypersurface, $ζ$, on super-horizon scales is given by the perturbation of the $e$-folding number as $ζ≈δN$ and hence we find that in the modulated reheating scenario the curvature perturbation can be generated due to the fluctuation of the decay rate of the inflaton.
A general proof of the conservation of the curvature perturbation · Modulated reheating scenario · 0.85
Uses data or values from 2 papers
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If we assume $n_B / s ∝T_R^p$, we have [equation] Hence, in the case where the curvature perturbation originates mainly from the modulated reheating mechanism, from Eq. ([ref]) and Eq. ([ref]), we have [equation] The current observational limit for the anti-correlated baryonic-isocurvature fluctuation is roughly given by $| S_B/ζ| ≲(0.1)$ [ref] and hence it means that the models with $p≳(1)$ are conflict with current observations.
Cosmological Constraints on Isocurvature and Tensor Perturbations · Baryonic-Isocurvature fluctuation · 0.92
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If we assume $n_B / s ∝T_R^p$, we have [equation] Hence, in the case where the curvature perturbation originates mainly from the modulated reheating mechanism, from Eq. ([ref]) and Eq. ([ref]), we have [equation] The current observational limit for the anti-correlated baryonic-isocurvature fluctuation is roughly given by $| S_B/ζ| ≲(0.1)$ [ref] and hence it means that the models with $p≳(1)$ are conflict with current observations.
Seven-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation · Baryonic-Isocurvature fluctuation · 0.92
Cites as background 13 papers
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Here, we give a brief review of the modulated reheating scenario [ref] .
Probing String Theory with Modulated Cosmological Fluctuations · Modulated reheating scenario · 1.00
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Then the modulated reheating does not produce a sizable CDM-isocurvature fluctuation.] In this paper we consider baryogenesis in models with supersymmetric (SUSY) extension of standard model, especially so-called Affleck-Dine (AD) mechanism [ref] , which is naturally realized even in the Minimal Supersymmetric Standard Model (MSSM) [See also Ref. [ref] for another mechanism of baryogenesis in the SUSY cosmologies and its compatibility with the modulated scenario.] and agrees with observations in broad parameter regions.
A model for fluctuating inflaton coupling: (s)neutrino induced adiabatic perturbations and non-thermal leptogenesis · Introduction · 0.83
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Then the modulated reheating does not produce a sizable CDM-isocurvature fluctuation.] In this paper we consider baryogenesis in models with supersymmetric (SUSY) extension of standard model, especially so-called Affleck-Dine (AD) mechanism [ref] , which is naturally realized even in the Minimal Supersymmetric Standard Model (MSSM) [See also Ref. [ref] for another mechanism of baryogenesis in the SUSY cosmologies and its compatibility with the modulated scenario.] and agrees with observations in broad parameter regions.
Baryogenesis from Flat Directions of the Supersymmetric Standard Model · Introduction · 0.83
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