Faithful teleportation of multi-particle states involving multi spatially remote agents via probabilistic channels

Min Jiang, Hui Li, Zeng-ke Zhang and Jia Zeng

Physica A: Statistical Mechanics and its Applications, 2011, vol. 390, issue 4, 760-768

Abstract: We present an approach to faithfully teleport an unknown quantum state of entangled particles in a multi-particle system involving multi spatially remote agents via probabilistic channels. In our scheme, the integrity of an entangled multi-particle state can be maintained even when the construction of a faithful channel fails. Furthermore, in a quantum teleportation network, there are generally multi spatially remote agents which play the role of relay nodes between a sender and a distant receiver. Hence, we propose two schemes for directly and indirectly constructing a faithful channel between the sender and the distant receiver with the assistance of relay agents, respectively. Our results show that the required auxiliary particle resources, local operations and classical communications are considerably reduced for the present purpose.

Keywords: Probabilistic teleportation; Multi-particle state; Quantum state transfer; Multi agents; Bell-state measurement (search for similar items in EconPapers)
Date: 2011
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:390:y:2011:i:4:p:760-768

DOI: 10.1016/j.physa.2010.10.020

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