分析原子的纠缠度对约化后光场性质的影响，结果表明纠缠度强烈影响光场的平均光子数分布和二阶量子相干性。
It is proved that the average photon Numbers and the second-order quantum coherence are dramatically influenced by the entangled degree of the atoms.
我们发现在有能级交叉的有限大尺寸系统中，约化保真度是一个测量量子相变的有效工具。
We find the reduced fidelity is an effective tool in detecting the quantum phase transitions associated with level crossings for the finite-size systems.
用量子约化熵研究了单模真空场与双原子相互作用的纠缠特性，讨论了原子偶极—偶极相互作用对其纠缠度的影响。
The entanglement of field-atom and the entanglement between the two-mode field are investigated using the quantum reduced entropy and quantum relative entropy, respectively.
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