How Gaussian can the sky be? Primordial non-Gaussianity from quantum information

DOI10.1088/1475-7516/2020/07/047zbMath1492.83124arXiv2005.09506OpenAlexW3027187079MaRDI QIDQ5070287

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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/2005.09506

zbMATH Keywords

non-Gaussianityphysics of the early universe

Mathematics Subject Classification ID

Point estimation (62F10) Relativistic cosmology (83F05) Einstein's equations (general structure, canonical formalism, Cauchy problems) (83C05) Coherent states (81R30) Exact solutions to problems in general relativity and gravitational theory (83C15) Methods of global Riemannian geometry, including PDE methods; curvature restrictions (53C21) Set functions and measures and integrals in infinite-dimensional spaces (Wiener measure, Gaussian measure, etc.) (28C20) Quantum information, communication, networks (quantum-theoretic aspects) (81P45) Quantum state spaces, operational and probabilistic concepts (81P16) Quantum entropies (81P17) Entanglement measures, concurrencies, separability criteria (81P42)

Related Items (2)

The quantum origin of quasi de Sitter: a model independent quantum cosmological tilt ⋮ Resilience of long modes in cosmological observables

Cites Work

• Gauge-invariant second-order perturbations and non-Gaussianity from inflation
• A new type of isotropic cosmological models without singularity
• QUANTUM ESTIMATION FOR QUANTUM TECHNOLOGY
• Supergravity, α-attractors and primordial non-Gaussianity
• Inflationary universe: A possible solution to the horizon and flatness problems

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