Quantum secure direct communication scheme using a W state and teleportation

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Published 17 October 2006 2006 The Royal Swedish Academy of Sciences
, , Citation Hai-Jing Cao and He-Shan Song 2006 Phys. Scr. 74 572 DOI 10.1088/0031-8949/74/5/015

1402-4896/74/5/572

Abstract

A theoretical scheme for quantum secure direct communication (QSDC) is proposed, where a three-qubit symmetric W state functions as a quantum channel. Two legitimate communicators can transmit their secret information by using quantum teleportation and local measurements.

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10.1088/0031-8949/74/5/015