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首页> 外文期刊>Journal of atomic and molecular physics >Correlated Relation between Quantum Discord and Entanglement of Two-Atom in Thermal Reservoirs
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Correlated Relation between Quantum Discord and Entanglement of Two-Atom in Thermal Reservoirs

机译:储层中量子失调与两原子纠缠的相关关系

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摘要

We study the time evolution of quantum discord and entanglement of a two-qubit system in thermal reservoirs. We find that there are no simple ordering relations between entanglement and quantum discord for the dynamical evolution behavior; that is, quantum discord may be smaller or larger than entanglement in the evolution process. However, a strong correlation between changes of the ordering relations and the mean photon number is found. In addition, it also shows that entanglement is not the strongest form of nonclassicality.
机译:我们研究了热储层中量子纠缠和两量子位系统纠缠的时间演化。我们发现对于动态演化行为,纠缠和量子不和谐之间没有简单的有序关系。也就是说,量子不和谐可能在进化过程中小于或大于纠缠。但是,在有序关系的变化与平均光子数之间发现了很强的相关性。此外,这也表明纠缠不是非经典性的最强形式。

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