Bell state entanglement swappings over collective noises and their applications on quantum cryptography

Bell state entanglement swappings over collective noises and their applications on quantum... This work presents two robust entanglement swappings against two types of collective noises, respectively. The entanglement swapping can be achieved by performing two Bell state measurements on two logical qubits that come from two original logical Bell states, respectively. Two fault tolerant quantum secret sharing (QSS) protocols are further proposed to demonstrate the usefulness of the newly proposed entanglement swappings. The proposed QSS schemes are not only free from Trojan horse attacks but also quite efficient. Moreover, by adopting two Bell state measurements instead of four-qubit joint measurements, the proposed protocols are practical in combating collective noises. The proposed fault tolerant entanglement swapping can also be used to replace the traditional Bell-state entanglement swapping used in various quantum cryptographic protocols to provide robustness in combating collective noises. Quantum Information Processing Springer Journals

Bell state entanglement swappings over collective noises and their applications on quantum cryptography

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Springer US
Copyright © 2012 by Springer Science+Business Media, LLC
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
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  • Teleportation of a two-particle entangled state via entanglement swapping
    Lu, H.; Guo, G.C.
  • Multiparty secret sharing of quantum information based on entanglement swapping
    Li, Y.M.; Zhang, K.S.; Peng, K.C.
  • Theory of quantum secret sharing
    Gottesman, D.
  • Quantum secret sharing using product states
    Hsu, L.Y.; Li, C.M.
  • Multiparty quantum secret sharing
    Zhang, Z.J.; Li, Y.; Man, Z.X.
  • Improving the security of secure direct communication based on the secret transmitting order of particles
    Li, X.H.; Deng, F.G.; Zhou, H.Y.
  • The enhancement of Zhou et al.’s quantum secret sharing protocol
    Chen, J.H.; Lee, K.C.; Hwang, T.

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