Quantum Correlation Properties in Two Qubits One-axis Spin Squeezing Model

2016 ◽  
Vol 56 (2) ◽  
pp. 600-608 ◽  
Author(s):  
Yang Guo-Hui
Keyword(s):  
Quantum Correlation ◽  
Spin Squeezing ◽  
Spin Squeezing Model ◽  
Correlation Properties

Dense Coding in Two Kinds of Two-Qubit Spin Squeezing Model

2019 ◽  
Vol 58 (10) ◽  
pp. 3602-3610 ◽  
Author(s):  
Yong-Qiang Li ◽  
Xiao Zhao ◽  
Xiang-Fu Jia ◽  
Guo-Hui Yang
Keyword(s):  
Spin Squeezing ◽  
Dense Coding ◽  
Spin Squeezing Model

Signatures of intrinsic decoherence and weak measurement on quantum correlations

2021 ◽  
Vol 19 (1) ◽  
pp. 015204
Author(s):  
S Bhuvaneswari ◽  
R Muthuganesan ◽  
R Radha
Keyword(s):  
Magnetic Field ◽  
Quantum Correlation ◽  
Quantum Correlations ◽  
Spin Squeezing ◽  
Weak Measurement ◽  
Intrinsic Decoherence ◽  
Dynamical Behaviors ◽  
Correlation Measures ◽  
The Impact

Abstract In this article, we consider a pair of spin-1/2 particles with squeezing coupling serving as the physical carrier of quantum information. We then examine the dynamics of quantum correlation quantified by the entanglement and measurement-induced nonlocality (MIN) under the intrinsic decoherence. The impact of intrinsic decoherence on the dynamical behaviors of quantum correlations is investigated. We show that the MIN quantities are more robust, while intrinsic decoherence cause sudden death in entanglement. Besides, we highlight the role of spin squeezing coupling and external magnetic field on quantum correlation measures. Finally, we investigate the impact of weak measurement on MIN.

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