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作者:

Yang Yu-Guang (Yang Yu-Guang.) | Wen Qiao-Yan (Wen Qiao-Yan.)

收录:

Scopus SCIE CSCD

摘要:

We present a (t, n) threshold multiparty controlled quantum teleportation protocol of an arbitrary m-qubit quantum state between two remote parties. The unknown m-qubit quantum state can be recovered by the receiver under control of a subset of the n controllers if the number of the subset is larger than or equal to a threshold, say, t, but not for any t-1 or fewer controllers. Our scheme seems to be more practical and more flexible than other existing protocols. The quantum resource required is just m Einstein-Podolsky-Rosen (EPR) pairs plus some single photons. The techniques required are only Bell state measurement, single-qubit unitary operation and von Neumann measurement. So our scheme is also feasible with present-day technique.

关键词:

controlled teleportation entanglement threshold controlled teleportation

作者机构:

  • [ 1 ] [Yang Yu-Guang]Beijing Univ Technol, Coll Comp Sci & Technol, Beijing 100124, Peoples R China
  • [ 2 ] [Yang Yu-Guang]Xidian Univ, State Key Lab Integrated Serv Network, Xian 710071, Peoples R China
  • [ 3 ] [Yang Yu-Guang]Chinese Acad Sci, Grad Univ, State Key Lab Informat Secur, Beijing 100049, Peoples R China
  • [ 4 ] [Yang Yu-Guang]Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China
  • [ 5 ] [Wen Qiao-Yan]Beijing Univ Posts & Telecommun, State Key Lab Networking & Switching Technol, Beijing 100876, Peoples R China

通讯作者信息:

  • 杨宇光

    [Yang Yu-Guang]Beijing Univ Technol, Coll Comp Sci & Technol, Beijing 100124, Peoples R China

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来源 :

COMMUNICATIONS IN THEORETICAL PHYSICS

ISSN: 0253-6102

年份: 2009

期: 4

卷: 52

页码: 593-596

3 . 1 0 0

JCR@2022

ESI学科: PHYSICS;

JCR分区:4

中科院分区:1

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