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## MINIMA OF OSCILLATOR STRENGTH DENSITIES FOR EXCITED ATOMS

LIANG XIAO-LING, LI JIA-MING
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• #### 摘要

在Hartree-Slater自洽势的基础上,探讨了激发态碱金属原子振子强度密度极小点,即电偶极矩阵元零点的规律(振子强度密度与光吸收截面成正比)。从而总结了一般激发态原子相应本征通道间电偶极矩阵元零点的规律,即这些零点与相应初末通道量子数亏损差的关系(第三节图4表明了这种关系)。根据所总结的规律,以Ne原子的3s激发态和Ar原子的4s激发态为例,所推测的激发态原子光吸收的窗口,已为实验所证实。

#### Abstract

Based on Hartree-Slater self-consistent potentials, we have studied minima of oscillator strength densities, namely, zeroes of electric dipole matrix elements for excited alkli atoms (here oscillator strength densities proportional to photoabsorption cross sections). Thus we have induced further the systematics about the zeroes of dipole matrix elements between eigenchannels for other excited atoms, namely, the relation between the zeroes and the quantum defect differences for corresponding initial and final channels. Based on such a relation, we predict the photoabsorption windows for excited Ne(3s) and excited Ar(4s), which have been confirmed by a recent experiment.

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##### 出版历程
• 收稿日期:  1984-09-04
• 刊出日期:  2005-03-31

## 激发态原子振子强度密度极小点

• 1. 中国科学院物理研究所

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