Quantum correlations and secret bits

Authors:A Acin, N Gisin
Journal:Physical Review Letters 94, 020501 (2005)
DOI:http://dx.doi.org/10.1103/PhysRevLett.94.020501
Abstract:It is shown that (i) all entangled states can be mapped by single-copy measurements into probability distributions containing secret correlations, and (ii) if a probability distribution obtained from a quantum state contains secret correlations, then this state has to be entangled. These results prove the existence of a two-way connection between secret and quantum correlations in the process of preparation. They also imply that either it is possible to map any bound entangled state into a distillable probability distribution or bipartite bound information exists.
File:qcorrsecretbits.pdf

BibTeX Source

@Article{Acin2005,
  author =       "A. Acin and N. Gisin",
  title =        "Quantum correlations and secret bits",
  journal =      "Physical Review Letters",
  year =         "2005",
  volume =       "94",
  pages =        "020501",
  number =       "2",
  abstract =     "It is shown that (i) all entangled states can be mapped by single-copy
                 measurements into probability distributions containing secret correlations, and
                 (ii) if a probability distribution obtained from a quantum state contains secret
                 correlations, then this state has to be entangled. These results prove the
                 existence of a two-way connection between secret and quantum correlations in the
                 process of preparation. They also imply that either it is possible to map any bound
                 entangled state into a distillable probability distribution or bipartite bound
                 information exists.",
  doi =          "10.1103/PhysRevLett.94.020501",
  owner =        "cc",
  sn =           "0031-9007",
  timestamp =    "2010.08.20",
  ut =           "WOS:000226478900005",
}
publications/bib/acin2005.txt · Last modified: 2010/09/15 10:34 by christoph
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