Equivalence between Entanglement and the Optimal Fidelity of Continuous Variable Teleportation

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dc.creatorAdesso, Gerardo
dc.creatorIlluminati, Fabrizio
dc.date2004-12-15
dc.date2005-09-04
dc.date.accessioned2026-07-07T06:21:14Z
dc.date.available2026-07-07T06:21:14Z
dc.descriptionWe devise the optimal form of Gaussian resource states enabling continuous variable teleportation with maximal fidelity. We show that a nonclassical optimal fidelity of $N$-user teleportation networks is {\it necessary and sufficient} for $N$-party entangled Gaussian resources, yielding an estimator of multipartite entanglement. This {\it entanglement of teleportation} is equivalent to entanglement of formation in the two-user protocol, and to localizable entanglement in the multi-user one. The continuous-variable tangle, quantifying entanglement sharing in three-mode Gaussian states, is operationally linked to the optimal fidelity of a tripartite teleportation network.
dc.description4 pages, 1 figure. Approved for publication in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/quant-ph/0412125
dc.identifierhttp://arxiv.org/abs/quant-ph/0412125
dc.identifierPhys. Rev. Lett. 95, 150503 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.150503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95533
dc.subjectQuantum Physics
dc.subjectOther Condensed Matter
dc.subjectMathematical Physics
dc.subjectOptics
dc.titleEquivalence between Entanglement and the Optimal Fidelity of Continuous Variable Teleportation
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