Spectral Properties of N6+, Ne9+, and Al12+ Ions in Dense Plasma

IF 1 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
M. Tyagi, A. Sharma
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引用次数: 0

Abstract

The influence of the dense plasma environment on the energy levels and transition rates of H-like N6+, Ne9+, and Al12+ ions have been examined. The structural and spectral properties have been analyzed by employing the relativistic configuration interaction (RCI) technique using the ion sphere model as the modified interactive potential between the nucleus and the electron. It is observed that for every transition, the transition energies are red shifted. The plasma screening effect on weighted oscillator strengths has also been examined. Additionally, the ground state thermodynamic pressure within the ion sphere and the radial wavefunctions of the spectral electron for the various states of N6+, Ne9+, and Al12+ ions at plasma density 1 × 1023 cm–3 were also studied. The line intensity ratio has also been computed for the first two spectral lines: [1s1/2 – 2p3/2 (1–3)] and [1s1/2 – 2p1/2 (1–2)]. Our computed data exhibits a good quantitative agreement with the other results reported in the literature as well as with the experimental results reported in the National Institute of Science and Technology (NIST) database. The current findings will be helpful in laboratory and astrophysical plasma modelling and characterization of hot dense plasma.

致密等离子体中N6+、Ne9+和Al12+离子的光谱特性
研究了致密等离子体环境对类h N6+、Ne9+和Al12+离子能级和跃迁速率的影响。采用离子球模型作为修正的原子核与电子相互作用势,利用相对论组态相互作用(RCI)技术对其结构和光谱特性进行了分析。我们观察到,对于每一个跃迁,跃迁能量都发生红移。还研究了等离子体筛选对加权振子强度的影响。此外,还研究了N6+、Ne9+和Al12+离子在等离子体密度为1 × 1023 cm-3时的基态热力学压力和能谱电子的径向波函数。还计算了前两条谱线的谱线强度比:[s1/2 - 2p3/2(1-3)]和[s1/2 - 2p1/2(1-2)]。我们的计算数据与文献中报道的其他结果以及美国国家科学技术研究所(NIST)数据库中报告的实验结果显示出良好的定量一致性。目前的发现将有助于实验室和天体物理等离子体的建模和表征热致密等离子体。
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来源期刊
CiteScore
1.90
自引率
9.10%
发文量
130
审稿时长
3-6 weeks
期刊介绍: Journal of Experimental and Theoretical Physics is one of the most influential physics research journals. Originally based on Russia, this international journal now welcomes manuscripts from all countries in the English or Russian language. It publishes original papers on fundamental theoretical and experimental research in all fields of physics: from solids and liquids to elementary particles and astrophysics.
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