Real-space entanglement in the Cosmic Microwave Background

DOI10.1088/1475-7516/2021/10/036zbMath1486.83149arXiv2106.15100OpenAlexW3205145172MaRDI QIDQ5061927

Jérôme Martin, Vincent Vennin

Publication date: 14 March 2022

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

Full work available at URL: https://arxiv.org/abs/2106.15100

zbMATH Keywords

inflationphysics of the early universe

Mathematics Subject Classification ID

Geometrodynamics and the holographic principle (83E05) Quantum optics (81V80) Coherent states (81R30) Asymptotic procedures (radiation, news functions, (mathcal{H} )-spaces, etc.) in general relativity and gravitational theory (83C30) Fourier coefficients, Fourier series of functions with special properties, special Fourier series (42A16) Coding theorems (Shannon theory) (94A24) Quantum state estimation, approximate cloning (81P50) Entanglement measures, concurrencies, separability criteria (81P42) Quantum discord (81P43)

Related Items (6)

Does inflation squeeze cosmological perturbations? ⋮ Discord and decoherence ⋮ Real-space Bell inequalities in de Sitter ⋮ C${\cal C}$osmological K${\cal K}$rylov C${\cal C}$omplexity ⋮ Entanglement and expansion ⋮ Entanglement area law violation from field-curvature coupling

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