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Generalized hybrid natural inflation

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arxiv 2305.03905 v2 pith:VYIHJZEI submitted 2023-05-06 hep-ph

classification hep-ph
keywords inflationhybridmodelnaturalgeneralizedindexnegativerunning
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Although the hybrid natural inflation is a successful inflation model, the symmetry breaking scale in the model should be large for a negative value of the running of the scalar spectral index. This study proposed a generalized hybrid natural inflation model that can realize a low-scale inflation with a negative value of the running of the scalar spectral index.

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Cited by 1 Pith paper

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  1. Corrections to inflationary models induced by non-minimal coupling between scalar field and curvature

    gr-qc 2026-07 conditional novelty 5.0 of 10

    Power-law non-minimal coupling F=(H/λ)^{2n} deforms inflationary potentials, shifts r and n_S while preserving n_T=-r/8 and GR-like reheating, enabling r(1-n_S) classification of models against Planck/ACT data.

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