Deterministic Secure Communication Without Using Entanglement

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Published under licence by IOP Publishing Ltd
, , Citation Cai Qing-Yu and Li Bai-Wen 2004 Chinese Phys. Lett. 21 601 DOI 10.1088/0256-307X/21/4/003

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1 Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071

Dates

  1. Received 13 November 2003
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0256-307X/21/4/601

Abstract

We show a deterministic secure direct communication protocol using single qubit in a mixed state. The security of this protocol is based on the security proof of BB84 protocol. It can be realized by the current technologies.

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