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光腔中原子的定位

, PP. 542-546

Keywords: 量子光学,原子定位,场的正交分量,驻波光腔,二能级原子

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Abstract:

研究了置于一个驻波光腔中的二能级原子的定位情况,发现通过利用测量场的正交分量的方法可以很好地定位单个原子的位置。而当在腔中放入两个二能级原子,根据瑞利极限条件可知若置于腔中的两个原子距离太近,我们是很难区分出这两个原子。但同样地利用测量场的正交分量方法后仍然可以很好地分辨出这两个距离很近的原子。然而若考虑腔场的损耗时,腔损耗将会损害两原子之间的相对定位。并且随着腔的衰减系数增大,两原子之间相对定位情况也越差。

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