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Relaxing Constraints on Inflation Models with Curvaton

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arxiv hep-ph/0501007 v1 pith:YVBA267D submitted 2005-01-03 hep-ph astro-ph

Takeo Moroi , Tomo Takahashi , Yoshikazu Toyoda This is my paper · ORCID
classification hep-phastro-ph
keywords inflationconstraintsmodelscurvatonchangeschaoticclasscondensation
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We consider the effects of the curvaton, late-decaying scalar condensation, to observational constraints on inflation models. From current observations of cosmic density fluctuations, severe constraints on some class of inflation models are obtained, in particular, on the chaotic inflation with higher-power monomials, the natural inflation, and the new inflation. We study how the curvaton scenario changes (and relaxes) the constraints on these models.

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Cited by 2 Pith papers

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  1. Blue-tilted Runnings and the JWST Early Galaxy Tension

    astro-ph.CO 2026-05 unverdicted novelty 4.0 of 10

    Blue-tilted running spectrum with α_s ≈ 0.02 and β_s ≈ 0.02 resolves JWST early galaxy tension at 1σ in joint CMB analysis.

  2. Tilt and Tensor-to-Scalar Ratio in Multi-Scalar Field Inflation: Non-Sum-Separable Case

    gr-qc 2024-12 reject novelty 3.0 of 10

    A two-field chaotic inflation model with a kinetic-potential coupling can in principle lower ns and r, but the paper's analytic formulas miscompute the correction and its quoted parameter ranges are fitted rather than...

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