On the slope of the curvature power spectrum in non-attractor inflation

DOI10.1088/1475-7516/2020/04/048zbMath1491.83053OpenAlexW3105560789MaRDI QIDQ5068471

Ogan Ozsoy, Gianmassimo Tasinato

Publication date: 6 April 2022

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

Full work available at URL: https://cronfa.swan.ac.uk/Record/cronfa54191

zbMATH Keywords

inflationcosmological perturbation theoryprimordial black holes

Mathematics Subject Classification ID

Attractors and repellers of smooth dynamical systems and their topological structure (37C70) Black holes (83C57) Spectrum, resolvent (47A10) Geometrodynamics and the holographic principle (83E05) Perturbations in context of PDEs (35B20) Methods of global Riemannian geometry, including PDE methods; curvature restrictions (53C21) Gravitational waves (83C35) Dark matter and dark energy (83C56)

Related Items

Enhancing gravitational wave anisotropies with peaked scalar sources, Non-Gaussianity and the induced gravitational wave background, Primordial tensor bispectra in μ-CMB cross-correlations, Primordial black holes from a tiny bump/dip in the inflaton potential, Solving peak theory in the presence of local non-gaussianities, Gravitational waves induced by scalar perturbations with a lognormal peak, Gravitational waves from dark matter isocurvature, Implications of stochastic effects for primordial black hole production in ultra-slow-roll inflation, Revisiting small-scale fluctuations in α-attractor models of inflation, Induced gravitational waves from the cosmic coincidence, Non-Gaussianity in inflationary scenarios for primordial black holes, Numerical stochastic inflation constrained by frozen noise, The effect of multiple features on the power spectrum in two-field inflation, PBHs and GWs from 𝕋²-inflation and NANOGrav 15-year data, Dissipative inflation via scalar production, Galileon inflation evades the no-go for PBH formation in the single-field framework, Multi-field inflation with large scalar fluctuations: non-Gaussianity and perturbativity, One-loop corrections in power spectrum in single field inflation, Constant-rate inflation: primordial black holes from conformal weight transitions, Baryogenesis from ultra-slow-roll inflation, One small step for an inflaton, one giant leap for inflation: \textit{a novel non-Gaussian tail and primordial black holes}, Primordial black holes as dark matter and gravitational waves from bumpy axion inflation, Analytic solutions of scalar perturbations induced by scalar perturbations, The power spectrum on small scales: robust constraints and comparing PBH methodologies, Probing non-Gaussianities with the high frequency tail of induced gravitational waves, Probing parity-odd bispectra with anisotropies of GW V modes, Highly non-Gaussian tails and primordial black holes from single-field inflation

Cites Work

• Mirror quintic vacua: hierarchies and inflation
• Anisotropies of gravitational wave backgrounds: a line of sight approach
• Primordial black hole formation in the early universe: critical behaviour and self-similarity
• Generalized G-Inflation: --Inflation with the Most General Second-Order Field Equations--
• Primordial black holes—perspectives in gravitational wave astronomy
• Quantum diffusion during inflation and primordial black holes
• On the constant-roll inflation
• Mechanisms for primordial black hole production in string theory
• Primordial black holes from inflation and quantum diffusion
• Quantum diffusion beyond slow-roll: implications for primordial black-hole production
• A cosmological signature of the SM Higgs instability: gravitational waves
• A new mechanism to enhance primordial tensor fluctuations in single field inflation
• Revisiting non-Gaussianity from non-attractor inflation models
• Stochastic inflation beyond slow roll
• The ineludible non-Gaussianity of the primordial black hole abundance
• Non-Gaussian formation of primordial black holes: effects on the threshold
• Primordial black holes from broad spectra: abundance and clustering
• Primordial black hole formation and abundance: contribution from the non-linear relation between the density and curvature perturbation
• Gravitational wave anisotropies from primordial black holes
• Physical Foundations of Cosmology
• Squeezed tensor non-Gaussianity in non-attractor inflation
• Failure of the stochastic approach to inflation beyond slow-roll
• Curvature perturbation at the local extremum of the inflaton potential