研究目的
To perform theoretical calculations of wavelengths, excitation energies, oscillator strengths, and radiative decay rates for transitions among 56 fine-structure levels of the silicon isoelectronic sequence Cd XXXV-Ba XLIII, W LXI, for applications in controlled thermonuclear fusion research and technical plasma modeling.
研究成果
The study provides a comprehensive set of atomic data for the silicon isoelectronic sequence, demonstrating good agreement with experimental measurements and other theoretical results. The data are expected to be useful in controlled thermonuclear fusion research and technical plasma modeling.
研究不足
The study is limited by the computational methods and the complexity of electron correlation effects. The accuracy of transition rates for weaker transitions is difficult to assess due to variability with con?guration interaction.
1:Experimental Design and Method Selection:
The calculation is based on the multicon?guration Dirac–Fock approach, including Breit interaction and quantum electrodynamic corrections. Electron correlation effects are considered through expansions in terms of a basis of con?guration state functions.
2:Sample Selection and Data Sources:
The study focuses on the silicon isoelectronic sequence Cd XXXV-Ba XLIII, W LXI, with data compared against experimental values and other theoretical results.
3:List of Experimental Equipment and Materials:
The GRASP2K code and the ?exible atomic code (FAC) are used for calculations.
4:Experimental Procedures and Operational Workflow:
The methodology involves optimizing orbitals via the multicon?guration relativistic self-consistent ?eld procedure and performing relativistic con?guration interaction calculations.
5:Data Analysis Methods:
Transition parameters are analyzed, and the accuracy of results is assessed through comparisons with experimental and theoretical data.
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