Faithful teleportation via multi-particle quantum states in a network with many agents

Faithful teleportation via multi-particle quantum states in a network with many agents An efficient scheme is proposed for faithful teleportation of an arbitrary unknown multi-particle state via multi-particle quantum states, in which the teleportation is completely deterministic providing that one can successfully construct a group of EPR pairs. Our scheme can effectively avoid possible destruction of the unknown state to be teleported, which however may occur in existing probabilistic teleportation schemes. In addition, we develop a scheme for establishing a faithful quantum channel for both indirect and direct teleportation multi-particle system, which can be applied in a teleportation network where intermediate agents exist between a sender and a receiver. Compared to the indirect construction of the faithful channel, the required auxiliary particle resources, local operations and classical communications in the direct construction scheme are considerably reduced. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Faithful teleportation via multi-particle quantum states in a network with many agents

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Publisher
Springer Journals
Copyright
Copyright © 2011 by Springer Science+Business Media, LLC
Subject
Physics; Computer Science, general; Theoretical, Mathematical and Computational Physics; Quantum Physics; Mathematics, general; Physics, general
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-011-0228-z
Publisher site
See Article on Publisher Site

Abstract

An efficient scheme is proposed for faithful teleportation of an arbitrary unknown multi-particle state via multi-particle quantum states, in which the teleportation is completely deterministic providing that one can successfully construct a group of EPR pairs. Our scheme can effectively avoid possible destruction of the unknown state to be teleported, which however may occur in existing probabilistic teleportation schemes. In addition, we develop a scheme for establishing a faithful quantum channel for both indirect and direct teleportation multi-particle system, which can be applied in a teleportation network where intermediate agents exist between a sender and a receiver. Compared to the indirect construction of the faithful channel, the required auxiliary particle resources, local operations and classical communications in the direct construction scheme are considerably reduced.

Journal

Quantum Information ProcessingSpringer Journals

Published: Feb 2, 2011

References

  • The quantum internet
    Kimble, H.J.
  • Improved scheme for probabilistic transformation and teleportation of multi-particle quantum states
    Jiang, M.
  • Controlled teleportation against uncooperation of part of supervisors
    Wang, X.W.
  • Probabilistic and controlled teleportation of unknown quantum state
    Yan, F.L.; Wang, D.
  • Synthesis of quantum-logic circuits
    Shende, V.V.; Bullock, S.S.; Markov, I.L.
  • A new protocol for constructing nonlocal n-qubit controlled-U gates
    Yang, C.-P.

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