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Measure of genuine multipartite entanglement with computable lower bounds

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arxiv 1101.2001 v2 pith:LZG46IWZ submitted 2011-01-11 quant-ph

classification quant-ph
keywords entanglementmeasureboundslowermultipartitegenuinebroadcases
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We introduce an intuitive measure of genuine multipartite entanglement which is based on the well-known concurrence. We show how lower bounds on this measure can be derived that also meet important characteristics of an entanglement measure. These lower bounds are experimentally implementable in a feasible way enabling quantification of multipartite entanglement in a broad variety of cases.

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Cited by 3 Pith papers

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

  1. Probing the Hierarchy of Genuine Multipartite Entanglement with Generalized Latent Entropy

    hep-th 2025-10 conditional novelty 6.0 of 10

    A generalized latent-entropy measure orders k-uniform states, maxes out on AME states, shows odd-party random states saturate it, and distinguishes SYK variants.

  2. Long-distance genuine multipartite Entanglement between Magnetic Defects in Spin Chains

    quant-ph 2025-01 conditional novelty 6.0 of 10

    Three magnetic defects in an XX spin-1/2 chain produce long-distance genuine multipartite entanglement via localized bound states, including parameter regions with zero pairwise concurrence.

  3. Entanglement Certification $-$ From Theory to Experiment

    quant-ph 2019-06 unverdicted

    Reviews paradigmatic entanglement quantifiers and state-of-the-art detection/certification methods, with emphasis on assumptions about states and measurements.

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