Entanglement concentration for concatenated Greenberger–Horne–Zeilinger state

Entanglement concentration for concatenated Greenberger–Horne–Zeilinger state The concatenated Greenberger–Horne–Zeilinger state is a new type of logic-qubit entanglement, which attracts a lot of attentions recently. In this paper, we discuss the entanglement concentration for such logic-qubit entanglement. We present two groups of entanglement concentration protocols (ECPs) for logic-qubit entanglement. In the first group, the parties do not know the initial coefficients of the partially logic-qubit entanglement. In the second group, the parties know the initial coefficients of the partially logic-qubit entanglement. In our ECPs, the unsuccessful cases can be reused to increase the total success probability in the next step. These ECPs may be useful in future long-distant quantum communication. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Entanglement concentration for concatenated Greenberger–Horne–Zeilinger state

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Publisher
Springer Journals
Copyright
Copyright © 2015 by Springer Science+Business Media New York
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/s11128-015-1113-y
Publisher site
See Article on Publisher Site

Abstract

The concatenated Greenberger–Horne–Zeilinger state is a new type of logic-qubit entanglement, which attracts a lot of attentions recently. In this paper, we discuss the entanglement concentration for such logic-qubit entanglement. We present two groups of entanglement concentration protocols (ECPs) for logic-qubit entanglement. In the first group, the parties do not know the initial coefficients of the partially logic-qubit entanglement. In the second group, the parties know the initial coefficients of the partially logic-qubit entanglement. In our ECPs, the unsuccessful cases can be reused to increase the total success probability in the next step. These ECPs may be useful in future long-distant quantum communication.

Journal

Quantum Information ProcessingSpringer Journals

Published: Sep 3, 2015

References

  • Quantum entanglement
    Horodecki, R; Horodecki, P; Horodecki, M; Horodecki, K
  • Hyperentanglement concentration for two-photon four-qubit systems with linear optics
    Ren, BC; Du, FF; Deng, FG
  • Efficient multipartite entanglement concentration protocol for nitrogen-vacancy center and microresonator coupled systems
    Cao, C; Ding, H; Li, Y; Wang, TJ; Mi, SC; Zhang, R; Wang, C
  • Hybrid entanglement concentration using quantum dot and microcavity coupled system
    Wang, C; Cao, C; He, LY; Zhang, CL
  • Protocols and quantum circuits for implementing entanglement concentration in cat state, GHZ-like state and nine families of 4-qubit entangled states
    Shukla, C; Banerjee, A
  • High-efficiency atomic entanglement concentration for quantum communication network assisted by cavity QED
    Wang, GY; Li, T; Deng, FG
  • An entanglement concentration protocol for cluster states
    Choudhury, B; Dhara, A
  • Efficient entanglement concentration for electron-spin W state with the charge detection
    Zhou, L
  • Efficient entanglement concentration for arbitrary less-entangled NOON states
    Zhou, L; Sheng, YB; Cheng, WW; Gong, LY; Zhao, SM
  • Efficient entanglement concentration for arbitrary less-hyperentanglement multi-photon W states with linear optics
    Fan, LL; Xia, Y; Song, J

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