Multi-party quantum state sharing of an arbitrary two-qubit state with Bell states

Multi-party quantum state sharing of an arbitrary two-qubit state with Bell states We present a new scheme for sharing an arbitrary two-qubit quantum state with n agents. In our scheme, the sender Alice first shares n Einsein-Podolsky-Rosen (EPR) pairs in Bell states with n agents. After setting up the secure quantum channel, Alice first applies (n − 2) Controlled-Not (CNOT) gate operations, and then performs two Bell-state measurements and (n − 2) single-particle measurements (n >2). In addition, all controllers only hold one particle in their hands, respectively, and thus they only need to perform a single-particle measurement on the respective particle with the basis $${\{{\vert}0\rangle, {\vert}1\rangle\}}$$ . Compared with other schemes with Bell states, our scheme needs less qubits as the quantum resources and exchanges less classical information, and thus obtains higher total efficiency. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Multi-party quantum state sharing of an arbitrary two-qubit state with Bell states

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Publisher
Springer US
Copyright
Copyright © 2010 by Springer Science+Business Media, LLC
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/s11128-010-0191-0
Publisher site
See Article on Publisher Site

References

  • Multiparty secret sharing of quantum information based on entanglement swapping
    Li, Y.M.; Zhang, K.S.; Peng, K.C.
  • Controlled teleportation of an arbitrary n-qubit information using quantum secret sharing of classical message
    Zhang, Z.J.

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