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Entangled network and quantum communication
Authors:Nasser Metwally
Affiliation:a Math. Dept., Faculty of Science, South Valley University, Aswan, Egypt
b Math. Dept., College of Science, University of Bahrain, P.O. Box 32038, Bahrain
Abstract:A theoretical scheme is introduced to generate entangled network via Dzyaloshinskii-Moriya (DM) interaction. The dynamics of entanglement between different nodes, which is generated by direct or indirect interaction, is investigated. It is shown that, the direction of (DM) interaction and the locations of the nodes have a sensational effect on the degree of entanglement. The minimum entanglement generated between all the nodes is quantified. The upper and lower bounds of the entanglement depend on the direction of DM interaction, and the repetition of the behavior depends on the strength of DM. The generated entangled nodes are used as quantum channel to perform quantum teleportation, where it is shown that the fidelity of teleporting unknown information between the network members depends on the locations of the members.
Keywords:Network   Entanglement   Teleportation   Interaction
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