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Tripartite Entanglement Extraction from the Black Hole Vacuum

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arxiv 2304.07847 v2 pith:5DZZFLGW submitted 2023-04-16 quant-ph gr-qchep-th

Ireneo James Membrere , Kensuke Gallock-Yoshimura , Laura J. Henderson , Robert B. Mann This is my paper · ORCID
classification quant-phgr-qchep-th
keywords entanglementblackholetripartiteharvestingados-teitelboim-zanellibipartitecarried
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The first investigation of tripartite entanglement harvesting in the vicinity of a black hole is carried out. Working in the context of a static Ba\~{n}ados-Teitelboim-Zanelli (BTZ) black hole spacetime we find that it is possible to harvest tripartite entanglement in regions where harvesting of bipartite entanglement is known to be impossible due to intense Hawking radiation. In these situations, it implies that the harvested entanglement is of the Greenberger-Horne-Zeilinger (GHZ) type.

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  1. Delay-Independent Stability of Nonlinear Delay Differential Equations via Isospectral Reduction

    math.DS 2025-08 unverdicted novelty 5.0 of 10

    Claims a delay-independent global exponential stability criterion for a broad class of nonlinear nonautonomous delay differential equations using isospectral reduction of an associated sequence of matrices.

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