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author:

Kang, Y.-H. (Kang, Y.-H..) [1] | Shi, Z.-C. (Shi, Z.-C..) [2] | Huang, B.-H. (Huang, B.-H..) [3] | Song, J. (Song, J..) [4] | Xia, Y. (Xia, Y..) [5]

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Abstract:

In this paper, we propose a protocol to realize the conversions between Greenberger-Horne-Zeilinger (GHZ) states and W states of spin qubits. By analyzing and simplifying the dynamics of the system, the control fields are designed via the inverse Hamiltonian engineering based on the Lie transforms. Moreover, the states' conversions between multitype GHZ states and W states can be executed deterministically and reversibly, which makes the protocol resource saving and flexible. We show in numerical simulations that the state conversions are robust against the systematic errors, random noise, and frequency mismatching of the control fields. Therefore, the protocol may provide some useful prospectives to the research of quantum mechanics and applications of quantum information processing based on GHZ states and W states. © 2019 American Physical Society.

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  • [ 1 ] [Kang, Y.-H.]Department of Physics, Fuzhou University, Fuzhou, 350002, China
  • [ 2 ] [Shi, Z.-C.]Department of Physics, Fuzhou University, Fuzhou, 350002, China
  • [ 3 ] [Huang, B.-H.]Department of Physics, Fuzhou University, Fuzhou, 350002, China
  • [ 4 ] [Song, J.]Department of Physics, Harbin Institute of Technology, Harbin, 150001, China
  • [ 5 ] [Xia, Y.]Department of Physics, Fuzhou University, Fuzhou, 350002, China

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Source :

Physical Review A

ISSN: 2469-9926

Year: 2019

Issue: 1

Volume: 100

2 . 7 7 7

JCR@2019

2 . 6 0 0

JCR@2023

ESI HC Threshold:138

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

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Chinese Cited Count:

30 Days PV: 0

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