The multi-field, rapid-turn inflationary solution

DOI10.1007/JHEP03(2021)009zbMath1461.83099arXiv2010.15933OpenAlexW3133852404MaRDI QIDQ2028220

Robert Rosati, Sonia Paban, Vikas Aragam

Publication date: 31 May 2021

Published in: Journal of High Energy Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2010.15933

zbMATH Keywords

sigma modelscosmology of theories beyond the SM

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Exact solutions to problems in general relativity and gravitational theory (83C15) Approximation procedures, weak fields in general relativity and gravitational theory (83C25)

Related Items (14)

Rapid-turn inflation in supergravity is rare and tachyonic ⋮ Geometric structure of multi-form-field isotropic inflation and primordial fluctuations ⋮ (Slow-)twisting inflationary attractors ⋮ Tachyonic de Sitter Solutions of 10d Type II Supergravities ⋮ Dynamical consistency conditions for rapid turn inflation ⋮ On the occurrence of finite-time singularities in swampland-related quintessence dark energy models ⋮ 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 ⋮ Quintom fields from chiral anisotropic cosmology ⋮ New exact solutions in multi-scalar field cosmology ⋮ Primordial gravitational waves from excited states ⋮ Multifield inflation beyond N_field=2: non-Gaussianities and single-field effective theory ⋮ A manifestly covariant theory of multifield stochastic inflation in phase space: solving the discretisation ambiguity in stochastic inflation ⋮ On primordial black holes from rapid turns in two-field models

Uses Software

• GitHub
• BlackBoxOptim.jl

Cites Work

• Inflationary constraints on type IIA string theory
• The web of swampland conjectures and the TCC bound
• New de Sitter solutions of 10d type IIB supergravity
• Out of the swampland with multifield quintessence?
• Primordial fluctuations and non-Gaussianities in sidetracked inflation
• Flattened non-Gaussianities from the effective field theory of inflation with imaginary speed of sound
• Mild non-Gaussianities under perturbative control from rapid-turn inflation models
• Scaling attractors in multi-field inflation
• Angular inflation in multi-field α-attractors
• Fat inflatons, large turns and the η-problem
• 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
• Hyperbolic field space and swampland conjecture for DBI scalar
• The string swampland constraints require multi-field inflation
• Further Refining the de Sitter Swampland Conjecture

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