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中文摘要：
外场作用下,对称双势阱中将发生相干布居俘获现象.在氨分子模型中,当分子初始处在较低的本征态时,在一定的条件下激发态上将没有粒子数布居,外加光场强烈地使较低的双重态耦合在一起,且粒子数布居总保持为1,尽管此时外场与2〉→3〉接近共振.这是一般模型所不能得到的结论.
英文摘要：
Coherent population trapping is shown to occur in a driven symmetric double-well potential.In the model of the ammonia molecule,for a molecule initially prepared in its lower doublet,under certain circumstances,the upper level remains unpopulated,this occurs in spite of the fact that the laser field is resonant with the 2〉→3〉 trasition.This is a coherent population trapping phenomenon which cannot be accounted for with the convential models.
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