Hierarchical quantum communication

Hierarchical quantum communication 1 Introduction</h5> In 1993 Bennett, Brassard, Crépeau, Jozsa, Peres and Wootters [1] proposed a scheme for quantum teleportation using Bell states. This scheme drew considerable attention of the quantum communication community as the teleportation has no classical analog. Since the pioneering work of Bennett et al. a large number of teleportation schemes and their applications have been reported [1–14] . These teleportation schemes can be primarily classified into two broad classes: (a) perfect teleportation schemes [1,2] and (b) probabilistic teleportation schemes [3–6] . By perfect teleportation we mean that the success rate of teleportation is unity. This requires a maximally entangled quantum channel. However, teleportation with unit fidelity is possible even when the quantum channel is non-maximally entangled. In that case the success rate of the receiver is not unity and the teleportation scheme is referred to as a probabilistic teleportation scheme. Furthermore, teleportation schemes are not limited to two-party teleportation (i.e., teleportation between Alice and Bob). Many schemes of multi-party quantum teleportation have been also proposed in the last two decades ( [2,7] and references therein). Such multi-party teleportation schemes have led to a set of interesting applications. Probably the most interesting and most fundamental multi-party quantum http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physics Letters A Elsevier

Hierarchical quantum communication

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Publisher
North-Holland
Copyright
Copyright © 2013 Elsevier B.V.
ISSN
0375-9601
D.O.I.
10.1016/j.physleta.2013.04.010
Publisher site
See Article on Publisher Site

Abstract

1 Introduction</h5> In 1993 Bennett, Brassard, Crépeau, Jozsa, Peres and Wootters [1] proposed a scheme for quantum teleportation using Bell states. This scheme drew considerable attention of the quantum communication community as the teleportation has no classical analog. Since the pioneering work of Bennett et al. a large number of teleportation schemes and their applications have been reported [1–14] . These teleportation schemes can be primarily classified into two broad classes: (a) perfect teleportation schemes [1,2] and (b) probabilistic teleportation schemes [3–6] . By perfect teleportation we mean that the success rate of teleportation is unity. This requires a maximally entangled quantum channel. However, teleportation with unit fidelity is possible even when the quantum channel is non-maximally entangled. In that case the success rate of the receiver is not unity and the teleportation scheme is referred to as a probabilistic teleportation scheme. Furthermore, teleportation schemes are not limited to two-party teleportation (i.e., teleportation between Alice and Bob). Many schemes of multi-party quantum teleportation have been also proposed in the last two decades ( [2,7] and references therein). Such multi-party teleportation schemes have led to a set of interesting applications. Probably the most interesting and most fundamental multi-party quantum

Journal

Physics Letters AElsevier

Published: Aug 15, 2013

References

  • Phys. Rev. Lett.
    Bennett, C.H.; Brassard, G.; Crépeau, C.; Jozsa, R.; Peres, A.; Wootters, W.K.

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