Comparing multi-field primordial feature models with the Planck data

DOI10.1088/1475-7516/2021/06/005zbMath1485.83124arXiv2103.03025OpenAlexW3135360417MaRDI QIDQ5028714

Matteo Braglia, Dhiraj Kumar Hazra, Xingang Chen

Publication date: 10 February 2022

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

Full work available at URL: https://arxiv.org/abs/2103.03025

zbMATH Keywords

inflationcosmological perturbation theorycosmological parameters from CMBR

Mathematics Subject Classification ID

Bayesian inference (62F15) Relativistic cosmology (83F05) Signal detection and filtering (aspects of stochastic processes) (60G35) Geometrodynamics and the holographic principle (83E05) Classical and relativistic thermodynamics (80A10) Perturbations in context of PDEs (35B20) Resonance in context of PDEs (35B34)

Related Items (6)

Rapid-turn inflation in supergravity is rare and tachyonic ⋮ Optimising inflationary features the Bayesian way ⋮ Revisiting small-scale fluctuations in α-attractor models of inflation ⋮ Classical cosmological collider physics and primordial features ⋮ Tracking the multifield dynamics with cosmological data: a Monte Carlo approach ⋮ Entanglement masquerading in the CMB

Uses Software

• BOBYQA
• CosmoMC
• polychord
• GetDist
• CAMB
• BINGO

Cites Work

• Features and new physical scales in primordial observables: Theory and observation
• Bayes Factors
• Probing primordial features with the stochastic gravitational wave background
• Generating PBHs and small-scale GWs in two-field models of inflation
• Generating primordial features at large scales in two field models of inflation
• Planck residuals anomaly as a fingerprint of alternative scenarios to inflation

This page was built for publication: Comparing multi-field primordial feature models with the Planck data