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.

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。

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The increasing of the detuning results in the decrease of the oscillating frequency of the time evolution curve.

失谐量变大使时间演化曲线的振荡频率变慢；

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When the laser frequency is larger than the atomic resonance frequency (blue detuning), the atoms will experience a repulsing force that will repulse the atoms to the minimum place of light field.

当激光频率大于原子跃迁共振频率时（兰失谐），处在光场中的原子受到一个排斥力的作用，迫使原子远离光场。

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