Monogamy inequality for distributed Gaussian entanglement (Articolo in rivista)

Type
Label
  • Monogamy inequality for distributed Gaussian entanglement (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Hiroshima, T; Adesso, G; Illuminati, F (2007)
    Monogamy inequality for distributed Gaussian entanglement
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Hiroshima, T; Adesso, G; Illuminati, F (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 98 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Japan Sci & Technol Agcy, ERATO, SORST, Quantum Computat & Informat Project,Bunkyo Ku, Tokyo 1130033, Japan; Univ Salerno, Dipartimento Fis ER Caianiello, CNR Coherentia, Grp Salerno, I-84081 Baronissi, SA, Italy; Ist Nazl Fis Nucl, Sez Napoli, Grp Collegato Salerno, I-84081 Baronissi, SA, Italy; Univ Cambridge, Ctr Math Sci, Ctr Quantum Computat, DAMTP, Cambridge CB3 0WA, England (literal)
Titolo
  • Monogamy inequality for distributed Gaussian entanglement (literal)
Abstract
  • We 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. (literal)
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