Originally the teleportation protocols were executed through quantum channels shared between the sender and the receiver. In view of the almost unavoidable environmental noise and the fact that entangled states are usually fragile, long distance teleportation becomes problematic. For that purpose intermediate nodes connected in chains through entanglements are introduced and the teleportation is performed in parts across every pair of adjacent nodes. In this paper we show that we can perfectly teleport an arbitrary GHZ-state through a single protocol involving multiple intermediate nodes. The advantages of this protocol are discussed.
International Journal of Theoretical Physics – Springer Journals
Published: Jun 5, 2018
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