Generating primordial features at large scales in two field models of inflation

DOI10.1088/1475-7516/2020/08/025zbMath1492.83084arXiv2004.00672OpenAlexW3103683686MaRDI QIDQ5070325

Dhiraj Kumar Hazra, L. Sriramkumar, Matteo Braglia, Fabio Finelli

Publication date: 11 April 2022

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

Full work available at URL: https://arxiv.org/abs/2004.00672

zbMATH Keywords

inflationphysics of the early universeCMBR theory

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Model quantum field theories (81T10) Anisotropy in solid mechanics (74E10) Spectrum, resolvent (47A10) Geometrodynamics and the holographic principle (83E05) Quantum optics (81V80) Classical and relativistic thermodynamics (80A10)

Related Items (12)

Opening the reheating box in multifield inflation ⋮ Generating PBHs and small-scale GWs in two-field models of inflation ⋮ Revisiting small-scale fluctuations in α-attractor models of inflation ⋮ Double inflation via non-minimally coupled spectator ⋮ Enhanced power on small scales and evolution of quantum state of perturbations in single and two field inflationary models ⋮ Hybrid α-attractors, primordial black holes and gravitational wave backgrounds ⋮ Tracking the multifield dynamics with cosmological data: a Monte Carlo approach ⋮ Entanglement masquerading in the CMB ⋮ Probing primordial features with the stochastic gravitational wave background ⋮ A manifestly covariant theory of multifield stochastic inflation in phase space: solving the discretisation ambiguity in stochastic inflation ⋮ The MESS of the CMB ⋮ Comparing multi-field primordial feature models with the Planck data

Cites Work

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• Scalar perturbations during multiple-field slow-roll inflation
• Suppressing the lower multipoles in the CMB anisotropies
• Hypernatural inflation
• Scalaron from R²-gravity as a heavy field
• Primordial tensor perturbation in double inflationary scenario with a break
• Generating PBHs and small-scale GWs in two-field models of inflation
• Cosmological perturbations from multi-field inflation in generalized Einstein theories

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