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中文摘要：
研究了在相位阻尼作用下非X态的量子失协与几何失协,用图像诠释了Bloch矢量以及相位阻尼系数p对失协的影响。通过讨论我们发现量子失协和几何失协都能在一段有限时间间隔内保持一定值,并且具有相同的突变点。量子失协和几何失协不会出现量子纠缠的突然死亡和重生现象,所以研究失协比纠缠更具有实际应用意义。
英文摘要：
We investigated the level surfaces of quantum discord and geometric discord of Non-X state under the phase damping channel, and provided a pictorial interpretation of the quantum discord and geometric discord for different values of Bloch vectors and the phase damping coefficient p. After a discussion we found that quantum discord and geometric discord can maintain a certain value in a finite time interval, and share the same sudden change point. With respect to the sudden death and rebirth of entanglement, quantum discord and geometric discord have a more practical significance.
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Quantum-Memory-Assisted Entropic Uncertainty Relation with a Single Nitrogen-Vacancy Center in Diamo
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