Rapid-turn inflation in supergravity is rare and tachyonic

DOI10.1088/1475-7516/2022/03/002zbMath1504.83034arXiv2110.05516OpenAlexW4214695709WikidataQ126179671 ScholiaQ126179671MaRDI QIDQ5099168

Vikas Aragam, Ivonne Zavala, Sonia Paban, Robert Rosati, Roberta Chiovoloni

Publication date: 31 August 2022

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

Full work available at URL: https://arxiv.org/abs/2110.05516

zbMATH Keywords

inflationsupersymmetry and cosmologystring theory and cosmology

Mathematics Subject Classification ID

Relativistic cosmology (83F05) String and superstring theories in gravitational theory (83E30) Supersymmetric field theories in quantum mechanics (81T60) Geometrodynamics and the holographic principle (83E05) Methods of global Riemannian geometry, including PDE methods; curvature restrictions (53C21) Effective quantum field theories (81T12)

Related Items (7)

Revisiting small-scale fluctuations in α-attractor models of inflation ⋮ Dilaton-axion inflation with PBHs and GWs ⋮ (Slow-)twisting inflationary attractors ⋮ Dynamical consistency conditions for rapid turn inflation ⋮ Primordial stochastic gravitational wave backgrounds from a sharp feature in three-field inflation. Part I. The radiation era ⋮ Sharp turns in axion monodromy: primordial black holes and gravitational waves ⋮ Primordial gravitational waves from excited states

Cites Work

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• Comparing multi-field primordial feature models with the Planck data
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• 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
• Oscillations in the stochastic gravitational wave background from sharp features and particle production during inflation
• The string swampland constraints require multi-field inflation
• Tachyonic de Sitter Solutions of 10d Type II Supergravities

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