An efficient scheme for multi-party quantum state sharing of an arbitrary multi-qubit state with one GHZ channel

  • Authors:

  • Min Jiang;Daoyi Dong

  • Affiliations:

  • School of Electronics and Information Engineering, Soochow University, Suzhou, China 215006;Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, China 310027 and School of Engineering and Information Technology, Uni ...

  • Venue:
  • Quantum Information Processing
  • Year:
  • 2013

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Abstract

We present an innovative and extremely efficient scheme to share an arbitrary multi-qubit state between n agents with only 1 GHZ channel under control of m agents in a network. Compared with existing ones in this literature, our scheme requires less communication resources, least qubits and only three physical favorable simple operations (single-qubit measurement, Bell-basis measurement and CNOT gate operations) are included, leading to a higher overall efficiency.