Local Vacuum Entanglement through Most Entangled Modes

Abstract:We find the shape of the modes containing most of the entanglement between two disjoint spherical regions in the vacuum of a free massless real scalar field in 1+3 Minkowski spacetime. Using the Klco-Beck-Savage method we approximate the field and momentum profile of the vacuum most entangled modes (MEMs) between two spheres. We define a non-perturbative mode-swap entanglement harvesting protocol where two spacelike separated probes extract the maximal amount of entanglement between two regions. Our results are a first step in the direction of understanding the local entanglement structure of quantum fields, pinpointing the exact degrees of freedom that encode accessible quantum correlations in QFT.

arXiv:2609.28621 [quant-ph]

(or arXiv:2609.28621v1 [quant-ph] for this version)

https://doi.org/10.48550/arXiv.2609.28621 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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