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Inflation does not create entanglement in local observables

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arxiv 2409.16366 v1 pith:MYNIJ2FG submitted 2024-09-24 gr-qc astro-ph.COhep-thquant-ph

Patricia Ribes-Metidieri , Ivan Agullo , Béatrice Bonga This is my paper
classification gr-qcastro-ph.COhep-thquant-ph
keywords entanglementfieldinflationlocalobservablessitterspacetimethere
verification ladder T0 review T1 audit T2 compute T3 formal
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Using modern tools of relativistic quantum information, we compare entanglement of a free, massive scalar field in the Bunch-Davies vacuum in the cosmological patch of de Sitter spacetime with that in Minkowski spacetime. There is less entanglement between spatially localized field modes in de Sitter, despite the fact that there is more entanglement stored in the field on large scales. This shows that inflation does not produce entanglement between local observables.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Quantum Stochastic Inflation

    hep-th 2026-06 unverdicted novelty 8.0 of 10

    Stochastic inflation emerges as GKLS open-system dynamics from tracing entangled modes entering a coarse-grained de Sitter patch, reproducing the classical phase-space Fokker-Planck equation.

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    Multiple Unruh-DeWitt detectors harvest more vacuum entanglement when arranged in specific configurations, with harvested negativity scaling linearly in linear chains.

  5. Partner-mode overlap as a symplectic-invariant measure of correlations in Gaussian quantum field theories

    quant-ph 2025-12 conditional novelty 5.0 of 10

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