Multi-qudit state sharing via various high-dimensional Bell channels

Multi-qudit state sharing via various high-dimensional Bell channels In this paper, an innovative and efficient scheme is presented for multi-participants sharing arbitrary $$n+1$$ n + 1 -qudit states with two-qudit maximally entangled Bell channels under the control of $$p$$ p agents. After the sender (Alice) performs one GHZ-state measurement on her qudits, and each controller (all Bobs) makes a single-qudit measurement, the recipient (Charlie) only needs to operate a single-qudit unitary transformation based on the classical information from the sender and all controllers. This scheme is further expanded to deal with how to use non-maximally entangled Bell channels where an additional multi-qudit unitary operation is operated. Our result demonstrates that it is possible to share multi-qudit state under supervision with only two-qudit entangled Bell channels which makes it convenient in a practical application. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Multi-qudit state sharing via various high-dimensional Bell channels

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-014-0889-5
Publisher site
See Article on Publisher Site

Abstract

In this paper, an innovative and efficient scheme is presented for multi-participants sharing arbitrary $$n+1$$ n + 1 -qudit states with two-qudit maximally entangled Bell channels under the control of $$p$$ p agents. After the sender (Alice) performs one GHZ-state measurement on her qudits, and each controller (all Bobs) makes a single-qudit measurement, the recipient (Charlie) only needs to operate a single-qudit unitary transformation based on the classical information from the sender and all controllers. This scheme is further expanded to deal with how to use non-maximally entangled Bell channels where an additional multi-qudit unitary operation is operated. Our result demonstrates that it is possible to share multi-qudit state under supervision with only two-qudit entangled Bell channels which makes it convenient in a practical application.

Journal

Quantum Information ProcessingSpringer Journals

Published: Dec 4, 2014

References

  • Multi-party quantum state sharing of an arbitrary two-qubit state with Bell states
    Shi, RH
  • Quantum secret sharing without entanglement
    Guo, GP; Guo, GC
  • Asymmetric multi-party quantum state sharing of an arbitrary m-qubit state
    Shi, RH
  • Multi-qudit information splitting with multiple controllers
    Li, SW

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