受激发射下双原子的合作纠缠
Entangling Two-Atom Through Cooperative Interaction Under Stimulated Emission
摘要：
讨论了微腔中两原子在受激发射（STE）相互作用下纠缠态的产生。给出了不同原子初态下的纠缠度。对于每种初始态，我们得到了纠缠周期和纠缠临界点，发现它们与驱动场密度密切相关。在原子态$| ee >$的情况下，由于STE，可以诱导纠缠。对于原子态$| eg >$，驱动场诱导的纠缠与STE诱导的纠缠存在竞争。当两个原子初始处于$| gg >$中时，我们可以发现一个腰部区域，在那里STE增加了纠缠的数量和周期。
英文摘要：
We discuss the generation of two-atom entanglement inside a resonant microcavity under stimulated emission (STE) interaction. The amount of entanglement is shown based on different atomic initial state. For each kind of intial state, we obtain the entanglement period and the entanglement critical point, which are found to deeply depend on driving field density. In case of atomic state $| ee >$, the entanglement can be induced due to STE. In case of atomic state $| eg >$, there is a competition between driving field indued entanglement and STE induced entanglement. When two atoms are initially in $| gg >$, we can find a lumbar region where STE increases the amount and period of entanglement.
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