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Search: WFRF:(Brukner Caslav) > (2013)

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  • Trojek, Pavel, et al. (author)
  • Experimental multipartner quantum communication complexity employing just one qubit
  • 2013
  • In: Natural Computing. - : Springer Science and Business Media LLC. - 1567-7818 .- 1572-9796. ; 12:1, s. 19-26
  • Journal article (peer-reviewed)abstract
    • Most proposals for quantum solutions of information-theoretic problems rely on the usage of multi-partite entangled states which are still difficult to produce experimentally with current state-of-the-art technology. Here, we analyze a scheme to simplify a particular kind of multiparty communication protocols for the experiment. We prove that the fidelity of two communication complexity protocols, allowing for an N - 1 bit communication, can be exponentially improved by N - 1 (unentangled) qubit communication. Taking into account, for a fair comparison, all inefficiencies of state-of-the-art set-up, the experimental implementation for N = 5 outperforms the best classical protocol, making it the candidate for multi-party quantum communication applications.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Zukowski, Marek (1)
Bourennane, Mohamed (1)
Brukner, Caslav (1)
Weinfurter, Harald (1)
Trojek, Pavel (1)
Schmid, Christian (1)
University
Stockholm University (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2013 (1)Undo refine

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