A geometrical instability for ultra-light fields during inflation?

DOI10.1088/1475-7516/2018/12/037OpenAlexW2817077734WikidataQ128728243 ScholiaQ128728243MaRDI QIDQ5023731

Francisco G. Pedro, Michele Cicoli, Veronica Guidetti, Gian Paolo Vacca

Publication date: 24 January 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1807.03818

zbMATH Keywords

inflationcosmological perturbation theorysupersymmetry and cosmologystring theory and cosmology

Mathematics Subject Classification ID

Relativity and gravitational theory (83-XX)

Related Items (14)

Anatomy of geometrical destabilization of inflation ⋮ On the choice of entropy variables in multifield inflation ⋮ Mild non-Gaussianities under perturbative control from rapid-turn inflation models ⋮ Scaling attractors in multi-field inflation ⋮ Multi-field inflation in high-slope potentials ⋮ Generating PBHs and small-scale GWs in two-field models of inflation ⋮ Attractors, bifurcations and curvature in multi-field inflation ⋮ Geometric structure of multi-form-field isotropic inflation and primordial fluctuations ⋮ Stringy multifield quintessence and the swampland ⋮ Reheating and dark radiation after fibre inflation ⋮ On backreaction effects in geometrical destabilisation of inflation ⋮ Geometrical destabilisation of ultra-light axions in string inflation ⋮ A fake instability in string inflation ⋮ Observational constraints on Hyperinflation

Cites Work

• Primordial fluctuations and non-Gaussianities in sidetracked inflation
• Cumulative effects in inflation with ultra-light entropy modes

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