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Phys. Rev. A 74, 042331 (2006) [7 pages]

Probability-density-function characterization of multipartite entanglement

P. Facchi,1,2 G. Florio,3,2 and S. Pascazio3,2
1Dipartimento di Matematica, Università di Bari, I-70125 Bari, Italy
2INFN, Sezione di Bari, I-70126 Bari, Italy
3Dipartimento di Fisica, Università di Bari, I-70126 Bari, Italy

Received 31 March 2006; published 26 October 2006

We propose a method to characterize and quantify multipartite entanglement for pure states. The method hinges upon the study of the probability density function of bipartite entanglement and is tested on an ensemble of qubits in a variety of situations. This characterization is also compared to several measures of multipartite entanglement.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.74.042331
DOI: 10.1103/PhysRevA.74.042331
PACS: 03.67.Mn; 03.65.Ud
  • 03.67.Mn
    Quantum entanglement production, characterization, and manipulation
  • 03.65.Ud
    Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
  • YEAR: 2006
KEYWORDS: quantum entanglement, quantum computing, probability

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