Monogamy inequality for distributed Gaussian entanglement

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dc.creatorHiroshima, Tohya
dc.creatorAdesso, Gerardo
dc.creatorIlluminati, Fabrizio
dc.date2006-05-02
dc.date2006-11-08
dc.date.accessioned2026-07-07T07:44:07Z
dc.date.available2026-07-07T07:44:07Z
dc.descriptionWe show that for all n-mode Gaussian states of continuous variable systems, the entanglement shared among n parties exhibits the fundamental monogamy property. The monogamy inequality is proven by introducing the Gaussian tangle, an entanglement monotone under Gaussian local operations and classical communication, which is defined in terms of the squared negativity in complete analogy with the case of n-qubit systems. Our results elucidate the structure of quantum correlations in many-body harmonic lattice systems.
dc.description4 pages, no figures. Several improvements, proof made more transparent, conclusions enriched
dc.identifierhttps://arxiv.org/abs/quant-ph/0605021
dc.identifierhttp://arxiv.org/abs/quant-ph/0605021
dc.identifierPhys. Rev. Lett. 98, 050503 (2007)
dc.identifierdoi:10.1103/PhysRevLett.98.050503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/123082
dc.subjectQuantum Physics
dc.subjectStatistical Mechanics
dc.subjectMathematical Physics
dc.subjectOptics
dc.titleMonogamy inequality for distributed Gaussian entanglement
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