Questions on calculation of primordial power spectrum with large spikes: the resonance model case

DOI10.1088/1475-7516/2023/04/011zbMath1522.83435arXiv2211.02586OpenAlexW4362664857MaRDI QIDQ6044338

Matteo Braglia, Keisuke Inomata, Xingang Chen

Publication date: 17 May 2023

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

Full work available at URL: https://arxiv.org/abs/2211.02586

zbMATH Keywords

inflationcosmological perturbation theoryprimordial black holesphysics of the early universe

Mathematics Subject Classification ID

Unified quantum theories (81V22) Relativistic cosmology (83F05) Black holes (83C57) Spectrum, resolvent (47A10) Geometrodynamics and the holographic principle (83E05) Equations of motion in general relativity and gravitational theory (83C10) Approximation procedures, weak fields in general relativity and gravitational theory (83C25)

Related Items (10)

The interplay between the dark matter axion and primordial black holes ⋮ Squeezed bispectrum and one-loop corrections in transient constant-roll inflation ⋮ Tail diversity from inflation ⋮ Multi-field inflation with large scalar fluctuations: non-Gaussianity and perturbativity ⋮ Borel resummation of secular divergences in stochastic inflation ⋮ Primordial black holes and stochastic inflation beyond slow roll. Part I. Noise matrix elements ⋮ One-loop corrections in power spectrum in single field inflation ⋮ Cancellation of quantum corrections on the soft curvature perturbations ⋮ Primordial stochastic gravitational wave backgrounds from a sharp feature in three-field inflation. Part I. The radiation era ⋮ Highly asymmetric probability distribution from a finite-width upward step during inflation

Cites Work

• On loops in inflation
• On the one loop corrections to inflation and the CMB anisotropies
• Primordial gravitational waves from excited states
• On the one-loop corrections to inflation. II: The consistency relation
• A new type of isotropic cosmological models without singularity
• Inflation, Cosmic Perturbations and Non-Gaussianities
• Infrared effects in inflationary correlation functions
• Primordial black holes—perspectives in gravitational wave astronomy
• Quantum diffusion during inflation and primordial black holes
• 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
• Scalaron from R²-gravity as a heavy field
• Probing primordial features with the stochastic gravitational wave background
• Constraining the inflationary potential with spectral distortions
• Beyond perturbation theory in inflation
• Gravitational waves from resonant amplification of curvature perturbations during inflation
• Amplification of primordial perturbations from the rise or fall of the inflaton
• Lattice simulations of inflation
• Primordial black holes from a tiny bump/dip in the inflaton potential
• Primordial black holes and gravitational waves from parametric amplification of curvature perturbations
• Generating PBHs and small-scale GWs in two-field models of inflation
• Revisiting small-scale fluctuations in α-attractor models of inflation
• Inflationary universe: A possible solution to the horizon and flatness problems
• Curvature perturbation at the local extremum of the inflaton potential

This page was built for publication: Questions on calculation of primordial power spectrum with large spikes: the resonance model case