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首页> 外文期刊>Journal of Physics, B. Atomic, Molecular and Optical Physics: An Institute of Physics Journal >A novel method for the calculation of widths for avoided crossings of the highly excited Stark states: Detailed implementation for alkali-metal atoms
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A novel method for the calculation of widths for avoided crossings of the highly excited Stark states: Detailed implementation for alkali-metal atoms

机译：一种避免高激发斯塔克态交叉的宽度计算的新方法：碱金属原子的详细实现

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摘要

We have presented a novel method to calculate the widths of the avoided crossings of Rydberg states in a static electric field. The widths of avoided crossings can be decided not directly connected by scanning the static field, but indirectly connected through the Stark electric dipole moments. The method is restricted to the case in which both the two relevant states have linear Stark shifts or only one of the two involved states has linear Stark shifts, but another has no Stark shift. As test examples, we calculated the widths of avoided crossings of Li, Na and K. The Stark electric dipole moments are determined by using the Stark state wavefunctions which are obtained from the diagonalization method at a fixed static electric field amplitude. The results are in excellent agreement with experimental and other theoretical data.
机译：我们提出了一种新颖的方法来计算在静态电场中避免的里德堡态交叉的宽度。可以避免交叉的宽度不是通过扫描静态场直接确定，而是通过斯塔克电偶极矩间接确定。该方法限于以下情况：两个相关状态都具有线性斯塔克频移，或者两个相关状态中只有一个具有线性斯塔克频移，而另一个不具有斯塔克频移。作为测试示例，我们计算了Li，Na和K的避免交叉的宽度。Stark电偶极矩是通过使用Stark状态波函数确定的，该函数通过对角化方法在固定的静态电场振幅下获得。结果与实验和其他理论数据非常吻合。

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