相对于使用最大纠缠态的方案，该方案更容易实现。
It's easier to carry out in relative to schemes using maximally entangled states.
第五章提出了利用腔qed系统浓缩非最大纠缠态的方法。
In chapter 5, the method of concentrating non-maximally entangled states is proposed using thermal cavity QED model.
结果表明：通过控制原子和腔场相互作用时间，可制备两原子的最大纠缠态。
The result shows that the maximally entangled state can be prepared by controlling interaction time.
研究一个体系时分析它的纠缠度，讨论最大纠缠态出现的条件也是很有必要的。
It is always to be used to analyze the maximal entangled states as one writes the explicit form of the entropy.
研究结果表明：在失谐量等于拉比频率时，该体系的纠缠度将长时间处于最大纠缠态。
It is shown that the quantum entanglement state will stay in the maximally entangled state for a long time when the detuning is equal to rabi frequency.
通过适当设置初始相干态的振幅，该方案可以使转移后的纠缠相干态处于最大纠缠态。
By suitably choosing the amplitude of the initial coherent states, we can obtain the maximum entangled coherent states.
考虑两个全同的处在非最大纠缠态的双能级原子，将其中一个与共振的真空腔场相互作用。
Considering two two-level atoms initially in the non-maximally entangled state, one of them is put into an initially empty cavity and resonant interaction occurs.
我们的研究表明，当纠缠相干态处于非最大纠缠态时， 我们可以通过增大激发的程度来提高此方案的保真度。
Thus, for both theoretical and experimental reasons it has become interesting to investigate the entanglement of photon-added entangled coherent states and their applications to quantum teleportation.
讨论了两纯态相混合的最大纠缠混合态和一些重要特殊情形。
Then the maximally entangled states mixed by two pure states and the concurrences in some important special cases are discussed.
研究结果表明：当双原子初始处在EPR态时，三体纠缠量最大值与理想W纠缠态纠缠量相同。
The results show that if the two atoms are prepared in maximun entangled(EPR)state initially, the maximum of three-body entanglement measure is equated with the perfect three-body W entangled state.
研究结果表明：当双原子初始处在EPR态时，三体纠缠量最大值与理想W纠缠态纠缠量相同。
The results show that if the two atoms are prepared in maximun entangled(EPR)state initially, the maximum of three-body entanglement measure is equated with the perfect three-body W entangled state.
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