The European Physical Journal D

, Volume 57, Issue 2, pp 287–291 | Cite as

Asymmetric five-party quantum state sharing of an arbitrary m-qubit state

  • R. H. ShiEmail author
  • L. S. Huang
  • W. Yang
  • H. Zhong
Quantum Information


We present an asymmetric scheme for five-party quantum state sharing of an arbitrary m-qubit state with the maximally entangled states of two-particle and three-particle. It involves two-particle Bell-basis or three-particle GHZ-basis measurements, rather than five-particle entanglements and five-particle joint measurements, which makes it more convenient in a practical application than some previous schemes. In addition, except that the designated recover of the quantum secret just keeps m particles, other agents only hold one particle in their hands respectively, and thus they only need perform a single-particle measurement on the respective particle with the basis X. Its intrinsic efficiency for qubits approaches 100%, and the total efficiency really approaches the maximal value.


Quantum Channel Local Unitary Operation Quantum State Sharing Quantum Secret Sharing Scheme QSTS Scheme 
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Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  1. 1.NHPCC, Depart. of CS. & Tech., USTCHefeiP.R. China
  2. 2.School of Computer Science and Technology, Anhui UniversityHefeiP.R. China
  3. 3.Suzhou Institute for Advanced Study, USTCSuzhouP.R. China

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