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Secure quantum conversation through non-destructive discrimination of highly entangled multipartite states
KTH, School of Information and Communication Technology (ICT), Optics and Photonics, Photonics.
2009 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 87, no 6, 60008- p.Article in journal (Refereed) Published
Abstract [en]

"Quantum conversation" is a way in which two parties can communicate classical information with each other using entanglement as a shared resource. We present this scheme using a multipartite entangled state after describing its generation through appropriate circuit diagrams. We make use of a discrimination scheme which allows one to perform a measurement on the system without destroying its entanglement. We later prove that this scheme is secure in a noiseless and a lossless quantum channel.

Place, publisher, year, edition, pages
2009. Vol. 87, no 6, 60008- p.
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-32486DOI: 10.1209/0295-5075/87/60008ISI: 000270659600008ScopusID: 2-s2.0-79051471285OAI: diva2:410903
QC 20110415Available from: 2011-04-15 Created: 2011-04-15 Last updated: 2011-04-15Bibliographically approved

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