Tomographic characterization of correlations in a photonic tripartite state (Articolo in rivista)

Type
Label
  • Tomographic characterization of correlations in a photonic tripartite state (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1367-2630/14/8/085006 (literal)
Alternative label
  • Chiuri A. [ 1 ] ; Mazzola L. [ 2 ] ; Paternostro M. [ 2,3 ] ; Mataloni P. [ 1,4 ] (2012)
    Tomographic characterization of correlations in a photonic tripartite state
    in New journal of physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Chiuri A. [ 1 ] ; Mazzola L. [ 2 ] ; Paternostro M. [ 2,3 ] ; Mataloni P. [ 1,4 ] (literal)
Pagina inizio
  • 085006 (literal)
Pagina fine
  • 085006 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 13 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy [ 2 ] Queens Univ Belfast, Sch Math & Phys, Ctr Theoret Atom Mol & Opt Phys, Belfast BT7 1NN, Antrim, North Ireland [ 3 ] Univ Ulm, Inst Theoret Phys, D-89069 Ulm, Germany [ 4 ] Ist Nazl Ott INO CNR, I-50125 Florence, Italy (literal)
Titolo
  • Tomographic characterization of correlations in a photonic tripartite state (literal)
Abstract
  • Starting from a four-partite photonic hyper-entangled Dicke resource, we report the full tomographic characterization of three-, two- and one-qubit states obtained by projecting out part of the computational register. The reduced states thus obtained correspond to fidelities with the expected states larger than 87%, therefore certifying the faithfulness of the entanglement-sharing structure within the original four-qubit resource. The high quality of the reduced three-qubit state allows for the experimental verification of the Koashi-Winter relation for the monogamy of correlations within a tripartite state. We show that, by exploiting the symmetries of the three-qubit state obtained upon projection over the four-qubit Dicke resource, such a relation can be experimentally fully characterized using only five measurement settings. We highlight the limitations of such an approach and sketch an experimentally oriented way of overcoming them (literal)
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