zero-order approximation是什么意思_zero-order approximation中文

zero-order approximation中文什么意思

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In this paper , we prove that for a three - level atom in a circularly polarized electromagnetic wave , there is a coherent superposed state of its two states such that when the atom is initially in the state , under the zero - order approximation , the atom is always in the state hereafter , while the occupation probabilities that the atom is in other states are zero ; under the first - order approximation , the atom is nearly in the state , while the occupation probabilities that the atom is in other states near zero
本文证明：对圆极化光中的三能级原子，存在着由它其中的两个态构造的一个特殊的相干叠加态，当原子最初处于这个态时，它以后将总是几乎处于这个态，而原子处于其他态的概率接近于零。

zero-order approximation中文什么意思