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计算了用远离共振的两个行波场作用于一个二能级原子使其能级产生调制后再与一个近共振的行波场相互作用产生的辐射压力。结果表明,这个力在合适的条件下,有可能比自发辐射力大得多,因而可以实现高效率的激光冷却。In this paper, we calculate the radiation force on a two-level atom, whose levels are modulated by two far off resonance travelling wave fields, interacting with a near resonance travelling wave field. The results show that with appropriate conditions, the force can be much larger than spontaneous radiation force and then can be used in laser cooling with high efficiency.
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