The two level atom′s decoherence is suppressed when the time evolution properties of an external driving field satisfy certain conditions.
当外加驱动场的演化规律满足一定的条件时，可使两能级原子的消相干被消除。
We investigate the time evolution of the entanglement in the interacting system of a single two-level atom and a single mode coherence field with phase decoherence.
研究了存在相位退相干时原子与光场相互作用的纠缠演化和保持。
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