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Experimental demonstration of a quantum protocol for byzantine agreement and liar detection
Stockholm University, Faculty of Science, Department of Physics.
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2008 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 100, no 7, 70504- p.Article in journal (Refereed) Published
Abstract [en]

We introduce a new quantum protocol for solving detectable Byzantine agreement (also called detectable broadcast) between three parties, and also for solving the detectable liar detection problem. The protocol is suggested by the properties of a four-qubit entangled state, and the classical part of the protocol is simpler than that of previous proposals. In addition, we present an experimental implementation of the protocol using four-photon entanglement.

Place, publisher, year, edition, pages
2008. Vol. 100, no 7, 70504- p.
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Physical Sciences
URN: urn:nbn:se:su:diva-59155DOI: 10.1103/PhysRevLett.100.070504ISI: 000253336900009OAI: diva2:425516
authorCount :5Available from: 2011-06-21 Created: 2011-06-21 Last updated: 2011-06-21Bibliographically approved

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