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International Journal of Theoretical Physics

, Volume 53, Issue 3, pp 1003–1009 | Cite as

Controlled Simultaneous Teleportation and Dense Coding

  • Haozhen Situ
Article

Abstract

We propose a teleportation protocol and a dense coding protocol. In these protocols, one sender intends to send quantum states or classical bits to two receivers through two GHZ entanglement channels. The entanglement channels are locked by the sender and the communication process is supervised by a controller. In order to obtain the messages, the receivers need the controller’s permission, and must collaborate to unlock the entanglement channels.

Keywords

Quantum communication Teleportation Dense coding 

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of Computer Science, College of InformaticsSouth China Agricultural UniversityGuangzhouChina

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