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Redshift of the isolated atomic emission line in dense plasma
Physica Scripta ( IF 2.9 ) Pub Date : 2021-08-27 , DOI: 10.1088/1402-4896/ac1cf2
T N Chang , T K Fang , C S Wu , X Gao

We have shown recently that the redshifts of the isolated emission lines of the H-like and He-like ions subject to outside dense plasma environment could be estimated by carefully examining the spatial and temporal criteria of the classical Maxwell-Boltzmann statistics based on the Debye-Hckel (DH) approximation with the nucleus charge Z approximately between 6 and 18. The theoretical results are obtained with the input of the atomic data generated from the detailed non-relativistic and relativistic multi-configuration atomic structure calculations. Qualitatively, starting from the quasi-hydrogenic picture, we are able to show that the redshifts of these emission lines could be expressed in terms of a general expression as a function of an ad hoc parameter, i.e. reduced Debye length and, in turn, linking directly to the ratio between the electron density and the temperature of the dense plasma. Based on our earlier calculation, the results of our estimated redshifts are in good agreement with the most recent experimental measurements.



中文翻译:

致密等离子体中孤立原子发射线的红移

我们最近表明,通过仔细检查基于德拜的经典麦克斯韦-玻尔兹曼统计的空间和时间标准,可以估计受外部密集等离子体环境影响的类 H 和类 He 离子的孤立发射线的红移-Hckel (DH) 与核电荷Z 的近似大约在 6 到 18 之间。理论结果是通过输入从详细的非相对论和相对论多构型原子结构计算生成的原子数据获得的。定性地,从准氢图片开始,我们能够证明这些发射线的红移可以用一般表达式表示为一个特殊参数的函数,即减少的德拜长度,反过来,链接直接与电子密度和致密等离子体的温度之比有关。根据我们之前的计算,我们估计的红移结果与最近的实验测量结果非常吻合。

更新日期:2021-08-27
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