Influences of Dzyaloshinskii-Moriya Interaction and Inhomogeneous Magnetic Field on Entanglement of Spin System in Non-Markov Environment

Fig. 1. Influence of environmental memory effect coefficient $γ$ on quantum entanglement of system ( $J_{x y} = 1, J_{z} = 0.7, ω_{A} = ω_{B} = 0.5, κ_{A} = κ_{B} = 1, B = 0, b = 0, D_{z} = 0$ ). （a） $|ψ〉 = 1 / \sqrt[]{2} (|00〉 + |11〉)$ ; （b） $|ψ〉 = |01〉$

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Fig. 2. Influence of DM interaction on quantum entanglement of system ( $B = 0, b = 0, γ = 0.1$ , other parameters are the same with those in Fig. 1). （a） $|ψ〉 = 1 / \sqrt[]{2} (|00〉 + |11〉)$ ；（b） $|ψ〉 = |01〉$

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Fig. 3. Influence of magnetic field uniformity on quantum entanglement when initial state of system is $|ψ〉 = 1 / \sqrt[]{2} (|00〉 + |11〉)$ ( $D_{z} = 0, γ = 0.1$ , other parameters are the same with those in Fig. 1). （a） $b = 0$ ；（b） $B = 0$

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Fan Yang, Ablimit Arapat, Abliz Ahmad. Influences of Dzyaloshinskii-Moriya Interaction and Inhomogeneous Magnetic Field on Entanglement of Spin System in Non-Markov Environment[J]. Laser & Optoelectronics Progress, 2021, 58(7): 0727003

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Paper Information

Category: Quantum Optics

Received: Oct. 12, 2020

Accepted: Nov. 19, 2020

Published Online: Apr. 25, 2021

The Author Email: Ahmad Abliz (aahmad@126.com)

DOI:10.3788/LOP202158.0727003

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology