Dynamics of measurement-induced non-locality and geometric discord with initial system-environment correlations

Xiao Rui-Lin; Xiao Xing; Zhong Wo-Jun

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Dynamics of measurement-induced non-locality and geometric discord with initial system-environment correlations

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摘要

We analyze the dynamics of geometric measure of discord (GMOD) and measurement-induced non-locality (MIN) in the presence of initial system-reservoir correlations without Born and Markov approximation.Although the initial system-environment states have the same reduced density matrices for both the system and environment,the effects of different initial system-environment correlations have been shown to fundamentally alter the time evolution of GMOD and MIN between two quantum systems in both Markovian and non-Markovian regimes.In general,both GMOD and MIN experience a sudden increase for initially quantum-correlated states,and a sudden decrease for classical-correlated states before they reach the same stationary values with initially factorized states.

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《中国物理：英文版》 |2013年第8期|280-284|共5页
作者
Xiao Rui-Lin; Xiao Xing; Zhong Wo-Jun;
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作者单位

College of Physics and Electronics, Gannan Normal University, Ganzhou 341000, China;

College of Physics and Electronics, Gannan Normal University, Ganzhou 341000, China;

Institute of Optoelectronic Materials and Technology, Gannan Normal University, Ganzhou 341000, China;

College of Physics and Electronics, Gannan Normal University, Ganzhou 341000, China;

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Dynamics of measurement-induced non-locality and geometric discord with initial system-environment correlations

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