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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.
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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 Discipline: PHYSICS;
ESI HC Threshold:138
JCR Journal Grade:2
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 25
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
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