Intermediate states in quantum cryptography and Bell inequalities

Authors:H Bechmann-Pasquinucci, N Gisin
Journal:Physical Review A 67, 062310 (2003)
DOI:http://dx.doi.org/10.1103/PhysRevA.67.062310
Abstract:Intermediate states are known from intercept/resend eavesdropping in the Bennett-Brassard 1984 (BB84) quantum cryptographic protocol. But they also play fundamental roles in the optimal eavesdropping strategy on the BB84 protocol and in the CHSH (Clauser-Horne-Shimony-Holt) inequality. We generalize the intermediate states to an arbitrary dimension and consider intercept/resend eavesdropping, optimal eavesdropping on the generalized BB84 protocol and present a generalized Clauser-Horne-Shimony-Holt inequality for two entangled qudits based on these states.
File:intstatebell.pdf

BibTeX Source

@Article{Bechmann-Pasquinucci2003,
  author =       "H. Bechmann-Pasquinucci and N. Gisin",
  title =        "Intermediate states in quantum cryptography and Bell inequalities",
  journal =      "Physical Review A",
  year =         "2003",
  volume =       "67",
  pages =        "062310",
  abstract =     "Intermediate states are known from intercept/resend eavesdropping in the
                 Bennett-Brassard 1984 (BB84) quantum cryptographic protocol. But they also play
                 fundamental roles in the optimal eavesdropping strategy on the BB84 protocol and in
                 the CHSH (Clauser-Horne-Shimony-Holt) inequality. We generalize the intermediate
                 states to an arbitrary dimension and consider intercept/resend eavesdropping,
                 optimal eavesdropping on the generalized BB84 protocol and present a generalized
                 Clauser-Horne-Shimony-Holt inequality for two entangled qudits based on these
                 states.",
  doi =          "10.1103/PhysRevA.67.062310",
  owner =        "cc",
  sn =           "1050-2947",
  timestamp =    "2010.08.20",
  ut =           "WOS:000183915200039",
}
publications/bib/bechmann-pasquinucci2003.txt · Last modified: 2010/09/15 10:35 by christoph
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