Induced-gravity Inflation and the Density Perturbation Spectrum

David Kaiser

Induced-gravity Inflation and the Density Perturbation Spectrum

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arxiv astro-ph/9405029 v2 pith:445JDI36 submitted 1994-05-12 astro-ph gr-qc

David Kaiser This is my paper

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abstract

Recent experimental determinations of the spectral index describing the scalar mode spectrum of density perturbations encourage comparison with predictions from models of the very early universe. Unlike extended inflation, Induced-gravity Inflation predicts a power spectrum with $0.98 \leq n_s \leq 1.00$, in close agreement with the experimental measurements.

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Induced-Gravity Palatini-Like Higgs Inflation in Supergravity Confronts ACT DR6
hep-ph 2026-02 unverdicted novelty 5.0 of 10

A Palatini-supergravity Higgs-inflation model with induced gravity predicts a scalar spectral index ns≈0.972-0.974, consistent with ACT DR6, and favors split supersymmetry with gravitino mass 40-60 PeV.

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