Controlled Bidirectional Quantum Direct Communication by Using a GHZ State

Chin. Phys. Lett.

2006, Vol. 23

Issue (7): 1680-1682 DOI:

Original Articles

Controlled Bidirectional Quantum Direct Communication by Using a GHZ State

MAN Zhong-Xiao;XIA Yun-Jie

College of Physics and Engineering, Qufu Normal University, Qufu 273165

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MAN Zhong-Xiao, XIA Yun-Jie 2006 Chin. Phys. Lett. 23 1680-1682

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Abstract A controlled bidirectional quantum secret direct communication scheme is proposed by using a Greenberger--Horne--Zeilinger (GHZ) state. In the scheme, two users can exchange their secret messages simultaneously with a set of devices under the control of a third party. The security of the scheme is analysed and confirmed.

Keywords: 03.67.Hk 03.65.Ud

Published: 01 July 2006

PACS:	03.67.Hk	(Quantum communication)
	03.65.Ud	(Entanglement and quantum nonlocality)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2006/V23/I7/01680

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